Seychelles
total: 373 km
paved: 315 km
unpaved: 58 km (1997 est.)
Sierra Leone
total: 11,330 km
paved: 895 km
unpaved: 10,435 km (1999)
Singapore
total: 3,066 km
paved: 3,066 km (including 150 km of expressways)
unpaved: 0 km (1999)
Slovakia
total: 42,717 km
paved: 37,036 km (including 296 km of expressways)
unpaved: 5,681 km (2000)
Slovenia
total: 20,177 km
paved: 20,157 km (including 427 km of expressways)
unpaved: 20 km (2000)
Solomon Islands
total: 1,360 km
paved: 34 km
unpaved: 1,326 km (1999 est.)
Somalia
total: 22,100 km
paved: 2,608 km
unpaved: 19,492 km (1999 est.)
South Africa
total: 362,099 km
paved: 73,506 km (including 2,032 km of expressways)
unpaved: 288,593 km (2000)
Spain
total: 663,795 km
paved: 657,157 km (including 10,317 km of expressways)
unpaved: 6,638 km (1999)
Sri Lanka
total: 96,695 km
paved: 91,860 km
unpaved: 4,835 km (1999)