6Vivek Express (India) – 4,273 km

The Vivek Express holds the distinction of being the longest train journey in India. Covering 4,273 kilometers (2,656 miles) from Dibrugarh in Assam, northeastern India, to Kanyakumari, the southernmost point of the country, this journey takes about 80 hours to complete. The train travels through 10 states, offering passengers a chance to witness India’s incredible diversity—from the tea gardens of Assam to the bustling metropolises of Kolkata and Chennai, and finally to the serene beaches of Kanyakumari. The Vivek Express is more than a journey; it’s a panoramic window into India’s cultural and geographical vastness.