7. Paris to Moscow Railway: Paris-Moscow Express Distance: 1,998 miles It takes a train 48 hours to traverse the longest trans-European route. Among the stops are such famous cities as Berlin, Brussels, and Warsaw.

6. Emeryville to Chicago Railway: California Zephyr (Amtrak) Distance: 2,438 miles During this 51-hour trip, passengers can see numerous views of the Rocky Mountains, the Sierra Nevada range, the Colorado River, and much more.

5. Dibrugarh to Kanyakumari Railway: Vivek Express Distance: 2,633 miles Travelers on this journey will spend 82 hours seeing the sights from the far north-east of the country to the southern tip. The relative inexpensiveness of the fare is perhaps offset somewhat by the average speed (32 mph) and the number of stops (57).