Spain
total: 664,852 km
paved: 658,203 km (including 11,152 km of expressways)
unpaved: 6,649 km (2001)
Sri Lanka
total: 11,650 km
paved: 11,068 km
unpaved: 582 km (2002)
Sudan
total: 11,900 km
paved: 4,320 km
unpaved: 7,580 km (1999 est.)
Suriname
total: 4,492 km
paved: 1,168 km
unpaved: 3,324 km (2002)
Svalbard
total: NA km
paved: NA km
unpaved: NA km
Swaziland
total: 3,107 km
paved: NA
unpaved: NA (2000)
Sweden
total: 213,237 km
paved: 167,604 km (including 1,542 km of expressways)
unpaved: 45,633 km (2002)
Switzerland
total: 71,212 km
paved: 71,212 km (including 1,706 of expressways)
unpaved: 0 km (2002)
Syria
total: 45,697 km
paved: 6,489 km (including 1,001 km of expressways)
unpaved: 39,208 km (2002)
Taiwan
total: 37,299 km
paved: 35,621 km (including 608 km of expressways)
unpaved: 1,678 km (2002)