Shanghai ranked first among all Chinese cities in subway mileage, which reached 735.53 kilometers by June 30 this year. Rounding out the rest of the top five were Beijing, Chengdu, Guangzhou and Shenzhen, according to the railway transportation report released by the China Association of Metros.

As of June 30, a total of 40 cities in China had built subway lines, with a total length of 6,641.73 kilometers in operation.

Nineteen cities saw their mileage exceed 100 kilometers, and 11 cities had more than 200 kilometers of subway lines.

Let's have a look at the top 10 Chinese cities by subway mileage.

No 10 Suzhou: 210 kilometers

No 9 Xi'an: 252.7 kilometers

No 8 Chongqing: 269 kilometers

No 7 Hangzhou: 317.7 kilometers

No 6 Wuhan: 358.8 kilometers

No 5 Shenzhen: 410.9 kilometers

No 4 Guangzhou: 505.7 kilometers

No 3 Chengdu: 518.5 kilometers

No 2 Beijing: 653 kilometers

No 1 Shanghai: 735.53 kilometers