The Central Intelligence Agency (CIA) is an independent US
Government agency responsible for providing national security
intelligence to senior US policymakers.
This entry contains the total length of all land boundaries and the individual lengths for each of the contiguous border countries. When available, official lengths published by national statistical agencies are used. Because surveying methods may differ, country border lengths reported by contiguous countries may differ.
total: 5,198 km
border countries: Democratic Republic of the Congo 2,511 km (of which 225 km is the boundary of discontiguous Cabinda Province), Republic of the Congo 201 km, Namibia 1,376 km, Zambia 1,110 km
total: 2,562 km
border countries: Czech Republic 362 km, Germany 784 km, Hungary 366 km, Italy 430 km, Liechtenstein 35 km, Slovakia 91 km, Slovenia 330 km, Switzerland 164 km
total: 2,013 km
border countries: Armenia (with Azerbaijan-proper) 566 km, Armenia (with Azerbaijan-Naxcivan exclave) 221 km, Georgia 322 km, Iran (with Azerbaijan-proper) 432 km, Iran (with Azerbaijan-Naxcivan exclave) 179 km, Russia 284 km, Turkey 9 km
total: 16,885 km
border countries: Argentina 1,261 km, Bolivia 3,423 km, Colombia 1,644 km, French Guiana 730 km, Guyana 1,606 km, Paraguay 1,365 km, Peru 2,995 km, Suriname 593 km, Uruguay 1,068 km, Venezuela 2,200 km
total: 4,591 km
border countries: Central African Republic 797 km, Chad 1,094 km, Republic of the Congo 523 km, Equatorial Guinea 189 km, Gabon 298 km, Nigeria 1,690 km
total: 8,893 km
border countries: US 8,893 km (includes 2,477 km with Alaska)
note: Canada is the World's largest country that borders only one country
total: 5,203 km
border countries: Cameroon 797 km, Chad 1,197 km, Democratic Republic of the Congo 1,577 km, Republic of the Congo 467 km, South Sudan 990 km, Sudan 175 km
total: 22,117 km
border countries: Afghanistan 76 km, Bhutan 470 km, Burma 2,185 km, India 3,380 km, Kazakhstan 1,533 km, North Korea 1,416 km, Kyrgyzstan 858 km, Laos 423 km, Mongolia 4,677 km, Nepal 1,236 km, Pakistan 523 km, Russia (northeast) 3,605 km, Russia (northwest) 40 km, Tajikistan 414 km, Vietnam 1,281 km
regional borders: Hong Kong 30 km, Macau 0.34 km
total: 10,730 km
border countries: Angola 2,511 km (of which 225 km is the boundary of Angola's discontiguous Cabinda Province), Burundi 233 km, Central African Republic 1,577 km, Republic of the Congo 2,410 km, Rwanda 217 km, South Sudan 628 km, Tanzania 459 km, Uganda 765 km, Zambia 1,930 km
total: 5,504 km
border countries: Angola 201 km, Cameroon 523 km, Central African Republic 467 km, Democratic Republic of the Congo 2,410 km, Gabon 1,903 km
total: 12,440.8 km
border countries: Albania 282 km, Andorra 120.3 km, Belarus 1,050 km, Croatia 999 km, Holy See 3.2 km, Liechtenstein 34.9 km, Macedonia 394 km, Moldova 450 km, Monaco 4.4 km, Norway 2,348 km, Russia 2,257 km, San Marino 39 km, Serbia 945 km, Switzerland 1,811 km, Turkey 446 km, Ukraine 1,257 km
note: data for European Continent only
metropolitan France - total: 2,889 km
border countries: Andorra 56.6 km, Belgium 620 km, Germany 451 km, Italy 488 km, Luxembourg 73 km, Monaco 4.4 km, Spain 623 km, Switzerland 573 km
French Guiana - total: 1,183 km
border countries: Brazil 673 km, Suriname 510 km
total: 3,790 km
border countries: Austria 784 km, Belgium 167 km, Czech Republic 815 km, Denmark 68 km, France 451 km, Luxembourg 138 km, Netherlands 577 km, Poland 456 km, Switzerland 334 km
total: 5,440 km
border countries: Afghanistan 936 km, Armenia 35 km, Azerbaijan-proper 432 km, Azerbaijan-Naxcivan exclave 179 km, Iraq 1,458 km, Pakistan 909 km, Turkey 499 km, Turkmenistan 992 km
total: 1,899.2 km
border countries: Austria 430 km, France 488 km, Holy See (Vatican City) 3.2 km, San Marino 39 km, Slovenia 199 km, Switzerland 740 km
total: 7,243 km
border countries: Algeria 1,376 km, Burkina Faso 1,000 km, Guinea 858 km, Cote d'Ivoire 532 km, Mauritania 2,237 km, Niger 821 km, Senegal 419 km
total: 3,047 km
border countries: Belarus 605 km, Czech Republic 615 km, Germany 456 km, Lithuania 91 km, Russia (Kaliningrad Oblast) 432 km, Slovakia 420 km, Ukraine 428 km
total: 20,241.5 km
border countries: Azerbaijan 284 km, Belarus 959 km, China (southeast) 3,605 km, China (south) 40 km, Estonia 290 km, Finland 1,313 km, Georgia 723 km, Kazakhstan 6,846 km, North Korea 17.5 km, Latvia 292 km, Lithuania (Kaliningrad Oblast) 227 km, Mongolia 3,441 km, Norway 196 km, Poland (Kaliningrad Oblast) 432 km, Ukraine 1,576 km
total: 2,026 km
border countries: Bosnia and Herzegovina 302 km, Bulgaria 318 km, Croatia 241 km, Hungary 151 km, Kosovo 352 km, Macedonia 62 km, Montenegro 124 km, Romania 476 km
total: 5,413 km
border countries: Central African Republic 989 km, Democratic Republic of the Congo 639 km, Ethiopia 934 km, Kenya 232 km, Sudan 2,184 km, Uganda 435 km
note: South Sudan-Sudan boundary represents 1 January 1956 alignment; final alignment pending negotiations and demarcation; final sovereignty status of Abyei Area pending negotiations between South Sudan and Sudan
total: 1,917.8 km
border countries: Andorra 63.7 km, France 623 km, Gibraltar 1.2 km, Portugal 1,214 km, Morocco (Ceuta) 6.3 km, Morocco (Melilla) 9.6 km
total: 6,751 km
border countries: Central African Republic 175 km, Chad 1,360 km, Egypt 1,275 km, Eritrea 605 km, Ethiopia 769 km, Libya 383 km, South Sudan 2,184 km
note: Sudan-South Sudan boundary represents 1 January 1956 alignment; final alignment pending negotiations and demarcation; final sovereignty status of Abyei region pending negotiations between Sudan and South Sudan
total: 3,861 km
border countries: Burundi 451 km, Democratic Republic of the Congo 459 km, Kenya 769 km, Malawi 475 km, Mozambique 756 km, Rwanda 217 km, Uganda 396 km, Zambia 338 km
total: 2,648 km
border countries: Armenia 268 km, Azerbaijan 9 km, Bulgaria 240 km, Georgia 252 km, Greece 206 km, Iran 499 km, Iraq 352 km, Syria 822 km
total: 4,566 km
border countries: Belarus 891 km, Hungary 103 km, Moldova 940 km, Poland 428 km, Romania (south) 176 km, Romania (southwest) 362 km, Russia 1,576 km, Slovakia 90 km
total: 12,034 km
border countries: Canada 8,893 km (including 2,477 km with Alaska), Mexico 3,141 km
note: US Naval Base at Guantanamo Bay, Cuba is leased by the US and is part of Cuba; the base boundary is 28 km
the land boundaries in the world total 251,060 km (not counting shared boundaries twice); two nations, China and Russia, each border 14 other countries
note: 46 nations and other areas are landlocked, these include: Afghanistan, Andorra, Armenia, Austria, Azerbaijan, Belarus, Bhutan, Bolivia, Botswana, Burkina Faso, Burundi, Central African Republic, Chad, Czech Republic, Ethiopia, Holy See (Vatican City), Hungary, Kazakhstan, Kosovo, Kyrgyzstan, Laos, Lesotho, Liechtenstein, Luxembourg, Macedonia, Malawi, Mali, Moldova, Mongolia, Nepal, Niger, Paraguay, Rwanda, San Marino, Serbia, Slovakia, South Sudan, Swaziland, Switzerland, Tajikistan, Turkmenistan, Uganda, Uzbekistan, West Bank, Zambia, Zimbabwe; two of these, Liechtenstein and Uzbekistan, are doubly landlocked
total: 5,664 km
border countries: Angola 1,110 km, Democratic Republic of the Congo 1,930 km, Malawi 837 km, Mozambique 419 km, Namibia 233 km, Tanzania 338 km, Zimbabwe 797 km
total: 3,066 km
border countries: Botswana 813 km, Mozambique 1,231 km, South Africa 225 km, Zambia 797 km
The online Factbook is updated weekly. ISSN 1553-8133
For additional information on government leaders in selected foreign countries, go to World Leaders.
PRINT
