m, UAE 457 km, Yemen 1,458 km

Senegal
total: 2,640 km
border countries: The Gambia 740 km, Guinea 330 km, Guinea-Bissau
338 km, Mali 419 km, Mauritania 813 km

Serbia and Montenegro
total: 2,246 km
border countries: Albania 287 km, Bosnia and Herzegovina 527 km,
Bulgaria 318 km, Croatia (north) 241 km, Croatia (south) 25 km,
Hungary 151 km, Macedonia 221 km, Romania 476 km

Seychelles
0 km

Sierra Leone
total: 958 km
border countries: Guinea 652 km, Liberia 306 km

Singapore
0 km

Slovakia
total: 1,524 km
border countries: Austria 91 km, Czech Republic 215 km, Hungary 677
km, Poland 444 km, Ukraine 97 km

Slovenia
total: 1,334 km
border countries: Austria 330 km, Croatia 670 km, Italy 232 km,
Hungary 102 km

Solomon Islands
0 km

Somalia
total: 2,340 km
border countries: Djibouti 58 km, Ethiopia 1,600 km, Kenya 682 km

South Africa
total: 4,862 km
border countries: Botswana 1,840 km, Lesotho 909 km, Mozambique 491
km, Namibia 967 km, Swaziland 430 km, Zimbabwe 225 km

South Georgia and the South Sandwich Islands
0 km

Spain
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

Spratly Islands
0 km

Sri Lanka
0 km

Sudan
total: 7,687 km
border countries: Central African Republic 1,165 km, Chad 1,360 km,
Democratic Republic of the Congo 628 km, Egypt 1,273 km, Eritrea 605
km, Ethiopia 1,606 km, Kenya 232 km, Libya 383 km, Uganda 435 km

Suriname
total: 1,707 km
border countries: Brazil 597 km, French Guiana 510 km, Guyana 600 km

Svalbard
0 km

Swaziland
total: 535 km
border countries: Mozambique 105 km, South Africa 430 km

Sweden
total: 2,233 km
border countries: Finland 614 km, Norway 1,619 km

Switzerland
total: 1,852 km
border countries: Austria 164 km, France 573 km, Italy 740 km,
Liechtenstein 41 km, Germany 334 km

Syria
total: 2,253 km
border countries: Iraq 605 km, Israel 76 km, Jordan 375 km, Lebanon
375 km, Turkey 822 km

Taiwan
0 km

Tajikistan
total: 3,651 km
border countries: Afghanistan 1,206 km, China 414 km, Kyrgyzstan 870
km, Uzbekistan 1,161 km

Tanzania
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 k