The 365 mile-long (637 km) Shanghai Metro is to be found in Shanghai, China.

It tops the list of the longest rapid-transit rail systems in the world. The system opened in 1993. It operates both urban and suburban services to a total of 13 municipal districts. It is considered as the longest rapid-transit system by length of route with 14 lines, and second, after New York City Subway, by number of stations with 364 of them. Its has a 10 million rider-strong daily passenger count. The operators plan to add 4 more lines and connect to two other systems in Jiangsu province in coming years.

The top 5 list of the longest metro systems in the world:

1. Shaghai Metro, China (365 miles / 637 km)

2. Beijing Subway, China (345 miles / 599.4 km)

3. London Underground, United Kingdom (250 miles / 402 km)

4. New York City Subway, USA (235 miles / 380.2 km)

5. Moscow Metro, Russia (210 miles / 364.9 km)

More Info: www.worldatlas.com