Indian Real Estate

National Highways in India - The Longest to the Oldest


17, January 2026

Over the years, the National Highways in India have played a vital role in the prevalent development of the country.

Studies say that India has witnessed an accelerated pace in the nation's infrastructural development. With the presence of several of the longest and biggest National Highway in India, the nation will be watching the utmost yet the most awaited development that the citizens of India have ever witnessed.

The National Highways Authority of India (NHAI) and the National Highways and Infrastructure Development Corporation Limited (NHIDCL) are the focal entities responsible for the majority of the National Highways network's construction, enhancement, and maintenance.

India is home to some of the top-rated national highways in the world. With their architectural marvel and the beneficiaries of connecting the major cities in India, these national highways in India have been the most infrastructural development that led to the overall enhancement of the nation's real estate sector as well as other major economic sectors in the country.

So, here are the

Top National Highways in India

  • National Highway 44

  • National Highway 27

  • National Highway 48

  • National Highway 52

  • National Highway 30

  • National Highway 6

  • National Highway 53

  • National Highway 16

  • National Highway 66

  • National Highway 19

Let's explore these top 10 national highways in India in detail!

Do you travel a lot from Bangalore to Chennai? Would you then like to know about the Bangalore-Chennai Expressway (NE-7)?

The Samruddhi Mahamarg, also known as the Nagpur-Mumbai Expressway, is a massive highway project under construction in India.

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1. National Highway 44: The Longest National Highway in India

National Highway 44(NH 44), the longest National Highway in India, is one of the major national thoroughfares in India, connecting the north to the south. NH 44 is merged with 7 other National Highways in India. Starting from Srinagar of the Union Territory, Jammu, and Kashmir and ending at Kanyakumari in Tamil Nadu, this longest National Highway in India is about 4,112 km in length and is one of the most prominent infrastructural developments that the country has ever witnessed. The NH 44, formerly known as NH 7, connects the major cities in India, such as - Punjab, Haryana, Delhi, Uttar Pradesh, Rajasthan, Madhya Pradesh, Maharashtra, Telangana, Andhra Pradesh, Karnataka, and Tamil Nadu.

2. National Highway 27: The Second Longest Highway in India

Covering a distance of 3507 km from the west end to the north end of India, the National Highway 27(NH 27) is the 2nd longest National Highway in India. This one of the prominent National Highways in India connects from Porbandar in Gujarat to the Silchar in Assam. The NH 22 route connected the major cities of India, such as - Gujarat, Rajasthan, Madhya Pradesh, Uttar Pradesh, Bihar, West Bengal and Assam. The NH 27 merges with several other major National Highways in India and has several spur routes.

3. National Highway 48: The Third Longest National Highway in India

The 3rd longest National Highway in India, National Highway 48(NH 48), is home to the latest Mumbai-Pune Expressway project and has a total length of 2807 km that connects from Delhi in the north to Chennai in the Tamil Nadu south end. NH 48 passes through other major cities in India, such as - Haryana, Rajasthan, Gujarat, Maharashtra, and Karnataka.

4. National Highway 52

Connecting North India to South India, the National Highway 52(NH 52) is one of the longest National Highways in India, with a total distance of 2317 km that starts from Sangrur in Punjab to Ankola in Karnataka. The NH 52 connects the major states of India, such as - Punjab, Haryana, Rajasthan, Madhya Pradesh, Maharashtra and Karnataka.

5. National Highway 30

Formerly known as the National Highway 221(NH 221), the National Highway 30(NH 30) is one of the longest National Highways in India, with a total distance of 1984.3 km in length, and connects Sitarganj in Uttarakhand of North India to Vijayawada in Andhra Pradesh of South India. One of the prominent National Highways in India connects the major cities of India, such as - Uttarakhand, Uttar Pradesh, Madhya Pradesh, Chhattisgarh, Telangana, and Andhra Pradesh.

6. National Highway 6: Great Eastern Road

Also known as the Asian Highway 46(AS 46), the National Highway 6(NH 6) is the Mumbai - Kolkata Highway that runs a total of 1949 km from Hajira in Gujarat to Kolkata in West Bengal and is one of the longest National Highways in India. It is one of the major economic corridors in India - Economic Corridor 1(EC1). This national Highway connects the major states in India, such as - Gujarat, Maharashtra, Chhattisgarh, Odisha, Jharkhand and West Bengal.

7. National Highway 53: Surat - Kolkata Highway

The National Highway 53(NH 53) is also known by the name Surat - Kolkata Highway, which is the National Highway 6(NH 6). Apart from the Surat - Kolkata Highway(NH 6), the NH 53 connects Hajira Port of Gujarat state of India to Paradip Port of Odisha, with a total distance of 1795 km. This one of the longest National Highways in India connects the major states of India, such as - Gujarat, Maharashtra, Chhattisgarh, and Odisha.

8. National Highway 16: Kolkata - Chennai Highway of the Golden Quadrilateral

Previously known as the National Highway 5(NH 5), the National Highway 16(NH 16) is yet another one of the longest National Highways in India. Known for its picturesque serenity and excellent weather conditions, NH 16 is part of the Golden Quadrilateral Project of India. This National Highway of India runs a total of 1711 km and connects Dankuni in Kolkata with Chennai in Tamil Nadu. The NH 16 route connects the major states of India, such as - West Bengal, Odisha, Andhra Pradesh, and Tamil Nadu.

9. National Highway 66: Largest National Highway in Kerala

Settling parallel to the Western Ghats, the National Highway 66(NH 66) was formerly known as NH 17 and was part of the NH 47. Running a total distance of 1640 km, this one of the longest Indian National Highways connects the city of Panvel in Mumbai, Maharashtra, to Kanyakumari of Tamil Nadu. NH 66 connects the major states in India, such as - Maharashtra, Goa, Karnataka, Kerala and Tamil Nadu. The National Highway covers most parts of the Kerala State of India.

10. National Highway 19: The Oldest National Highway in India

One of the busiest and oldest National Highway in India, the National Highway 19(NH 19) is about 1323 km and is also renowned by the name - Durgapur Expressway(NH 2). Starting from Agra and ending at Dankuni in Kolkata, one of India's prominent National highways connects some of India's major states, such as - Uttar Pradesh, Bihar, Jharkhand, and West Bengal. The NH 19 connects the NH 44(the longest National Highway in India) at Agra. It is one of the most significantly used National Highways in India, one of the reasons NH 19 is called one of the busiest National Highways in India. It is one of the oldest National Highways in India - The Grand Trunk Road(GT Road).

That's it, folks. These are some of the prominent and longest National Highways in India.

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Most Frequently Asked Questions?

Which is the longest National Highway in India?

National Highway 44(NH 44) also known as NH 7 is the longest National Highway in India with a total distance of 4,112 km, connecting south end - Kanyakumari in Tamil Nadu to Srinagar in Jammu and Kashmir - the north end.

Which is the oldest National Highway in India?

The Grand Trunk Road(GT Road) is the oldest National Highway in India. The major National Highways that come under the GT Road are - NH 12, NH 27, NH 19, NH 44 and NH 3.

How many NH are in India?

There are a total of 599 National Highways in India, as per the reports of Ministry of Roads, Transport and Highways (MORTH).

What is National Highway?

National Highways(NH) are the elevated roadways that connects the major regions of a nation.

Which is the longest National Highway in Karnataka?

National Highway 13(NH 13) is the longest national highways in Karnataka with a total running distance of 719km, connecting Sholapur to Karkala in Karnataka.

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