border countries: Cameroon 797 km, Chad 1,197 km, Democratic Republic of the Congo 1,577 km, Republic of the Congo 467 km, Sudan 1,165 km
Chad:
total: 5,968 km
border countries: Cameroon 1,094 km, Central African Republic 1,197
km, Libya 1,055 km, Niger 1,175 km, Nigeria 87 km, Sudan 1,360 km
Chile:
total: 6,171 km
border countries: Argentina 5,150 km, Bolivia 861 km, Peru 160 km
China: total: 22,147.24 km
border countries: Afghanistan 76 km, Bhutan 470 km, Burma 2,185 km, Hong Kong 30 km, India 3,380 km, Kazakhstan 1,533 km, North Korea 1,416 km, Kyrgyzstan 858 km, Laos 423 km, Macau 0.34 km, Mongolia 4,676.9 km, Nepal 1,236 km, Pakistan 523 km, Russia (northeast) 3,605 km, Russia (northwest) 40 km, Tajikistan 414 km, Vietnam 1,281 km
Christmas Island:
0 km
Clipperton Island:
0 km
Cocos (Keeling) Islands:
0 km