Serbia
total: 36,884 km
paved: 31,938 km
unpaved: 4,946 km (2007)
Seychelles
total: 458 km
paved: 440 km
unpaved: 18 km (2003)
Sierra Leone
total: 11,300 km
paved: 904 km
unpaved: 10,396 km (2002)
Singapore total: 3,356 km paved: 3,356 km (includes 161 km of expressways) (2009)
Sint Maarten
total: 53 km
Slovakia
total: 43,761 km
paved: 38,085 km (includes 384 km of expressways)
unpaved: 5,676 km (2008)
Slovenia total: 38,873 km paved: 38,873 km (includes 696 km of expressways) (2008)
Solomon Islands total: 1,360 km paved: 33 km unpaved: 1,327 km note: includes 800 km of private plantation roads (2002)
Somalia
total: 22,100 km
paved: 2,608 km
unpaved: 19,492 km (2000)
South Africa
total: 362,099 km
paved: 73,506 km (includes 239 km of expressways)
unpaved: 288,593 km (2002)