Important National Highways in India PDF Download
List of Top 10 Longest National Highways In India
| S. No | National Highway | Distance (in km) | Route |
| 1 | NH 44 (old NH 7) | 3,745 | Srinagar to Kanyakumari |
| 2 | NH 27 | 3,507 | Porbandar in Gujarat to Silchar in Assam |
| 3 | NH 48 (old NH 8) | 2,807 | Delhi to Chennai |
| 4 | NH 52 | 2,317 | Sangrur, Punjab to Ankola, Karnataka |
| 5 | NH 30 (Old NH 221) | 2,040 | Sitarganj in Uttarakhand to Ibrahimpatnam in Andhra Pradesh. |
| 6 | NH 6 | 1,873 | Jorabat in Meghalaya and terminates at Selling in Mizoram |
| 7 | NH 53 | 1,781 | Hajira in Gujarat and Pradip port in Odisha. |
| 8 | NH 16 (Old NH 5) | 1,711 | East coast of West Bengal to Chennai in Tamil Nadu. |
| 9 | NH 66 (Old NH 17) | 1,622 | Panvel and terminates at Kanyakumari |
| 10 | NH 19 (Old NH 20) | 1,435 | Delhi to Kolkata |
| 11 | NH 34 | 1,426 | Gangotri Dham in Uttarakhand to Lakhnadon in Madhya Pradesh |