1.Top 5 longest railway routes in India

1. Humsafar express (Jammu tavi to Kanya Kumari)

Himsagar Express is a weekly express train of the Indian Railways running between Kanyakumari in India's southernmost state of Tamil Nadu to Shri Mata Vaishno Devi Katra in Jammu and Kashmir- the northernmost state of India. It is currently the second longest running train on the Indian Railways in terms of distance and time, surpassed only by the Dibrugarh–Kanyakumari Vivek Express. In 72 hours, the train covers a distance of 3787 km at a speed of 52 km/hr, and transverses twelve of India's states halting at a total of 73 stations.

2. Vivek express (dibrugarh to Kanyakumari)
It is the longest railway routes in India it covers almost 4286km of routes from dibrugarh to Kanyakumari

3. Navyug express (Mangalore to jammu)

The weekly express train runs between Jammu Tawi and Mangalore Central. The train covers a distance of 3607 km and takes 68 hrs to reach its destination. It passes through twelve states and stops at 61 stations

4. Guwahati express (Thiruvananthapuram to Guwahati)

The train covers a distance of 3553 km and takes 65 hours to reach its destination. It passes through 48 stations. Like most other long-distance trains this express is also scheduled to run once a week and travels through seven states

5.reptisagar express ( this is also known as the longest railway routes in India The train covers a distance of 3438 km and takes 62 hrs to reach its destination. It passes through eight states and stops at 60 stations.