Vivek Express - the train runs between Assam's Dibrugarh to Tamil Nadu's Kanyakumari, covering 4,154 km.

The Canadian - the train starts its journey in Toronto and concludes in Vancouver, travelling approx 4,460 km.

Trans-Siberian Express -The six-days long trip of approx 9,250 km begins in Moscow and ends in Vladivostok.

California Zephyr - it takes over 48 hours to reach San Francisco from Chicago after an approx 3,920 km trip.

The Indian Pacific - The 4 days and 3 nights journey starts in Australia's Perth and halts in Sydney.

Eastern & Oriental Express - The four-day travel starts in Singapore and ends in Thailand.

The Ghan - It travels almost 3,000 km between the northern and southern coasts of Australia.

Paris-Moscow Express - The train operates between the capital of France and Russia, covering about 3,000 km.