Sao Tome and Principe:
0 km
Saudi Arabia:
total: 4,415 km
border countries: Iraq 814 km, Jordan 728 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
Seychelles:
0 km
Sierra Leone:
total: 958 km
border countries: Guinea 652 km, Liberia 306 km
Singapore:
0 km
Slovakia:
total: 1,355 km