Sao Tome and Principe
0 km
Saudi Arabia
total: 4,431 km
border countries: Iraq 814 km, Jordan 744 km, Kuwait 222 km, Oman
676 km, Qatar 60 km, 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
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
Seychelles
0 km
Sierra Leone total: 958 km border countries: Guinea 652 km, Liberia 306 km
Singapore 0 km
Sint Maarten total: 15 km border countries: Saint Martin (France) 15 km
Slovakia
total: 1,474 km
border countries: Austria 91 km, Czech Republic 197 km, Hungary 676
km, Poland 420 km, Ukraine 90 km
Slovenia
total: 1,086 km
border countries: Austria 330 km, Croatia 455 km, Hungary 102 km,
Italy 199 km