China shares international land borders with 14 sovereign states. In addition, there is a 30-kilometre (19 mi) internal border with the special administrative region of Hong Kong, which was a British dependency before 1997, and a 3-kilometre (1.9 mi) internal border with Macau, a Portuguese territory until 1999. With land borders of 22,117 kilometres (13,743 mi) in total, China has the longest aggregate land borders of any country.[citation needed]
The table below, is a table of countries and territories who share a land border with China around its perimeter. The in parenthesis are their lengths in miles.[1]
| Country | Length ((km) and (mi)) | Notes |
|---|---|---|
 North Korea |
1,416 (879) | |
 Russia |
3,645 (2,264) | |
 Mongolia |
4,677 (2,906) | |
 Kazakhstan |
1,533 (952) | |
 Kyrgyzstan |
858 (533) | |
 Tajikistan |
414 (257) | |
 Afghanistan |
76 (47) | |
 Pakistan |
596 (370) | Disputed; depends on the resolution of territorial conflicts between India and China, and between India and Pakistan |
 India |
3,488 (2,167) | Disputed; in three sections, separated by Nepal and Bhutan; depends on the resolution of territorial conflicts between India and China, and between India and Pakistan |
 Nepal |
1,440 (895) | |
 Bhutan |
470 (292) | Disputed; depends on the resolution of various territorial conflicts between Bhutan and China |
 Myanmar |
2,185 (1,357) | |
 Laos |
423 (262) | |
 Vietnam |
1,283 (795) |
