Borders of China
The People's Republic of China has international borders with 14 sovereign states. In addition, there is a 30-km border with the special administrative region of Hong Kong, which was a British dependency before 1997, and a 3 km border with Macau, a Portuguese territory until 1999. With a land border of 22,117 kilometres (13,743 mi) in total it also has the longest land border of any country.
Below is a table of countries and territories who share a land border with China around its perimeter, counterclockwise from the east. The numbers in parenthesis are their lengths in miles.[1]
| Country | Length (km) and (mi) |
|---|---|
| North Korea | 1,416 (879) |
| Russia (NE) | 3,605 (2,240) |
| Mongolia | 4,677 (2,906) |
| Russia (NW) | 40 (24) |
| Kazakhstan | 1,533 (952) |
| Kyrgyzstan | 858 (533) |
| Tajikistan | 414 (257) |
| Afghanistan | 76 (47) |
| Pakistan | 523 (324) |
| India | 3,380* (2,100) [disputed] |
| Nepal | 1,236 (768) |
| Bhutan | 470 (292) |
| Myanmar | 2,185 (1,357) |
| Laos | 423 (262) |
| Vietnam | 1,281 (795) |
| Hong Kong | 30 (18) |
| Macau | 3 (1.8) |
* In three sections, separated by Nepal and Bhutan. India is the only country with whom China has border dispute. At present it shares longest border with it after Mongolia and Russia.