Bahrain
total: 3,498 km
paved: 2,768 km
unpaved: 730 km (2003)
Bangladesh
total: 239,226 km
paved: 22,726 km
unpaved: 216,500 km (2003)
Barbados
total: 1,600 km
paved: 1,600 km (2004)
Belarus
total: 94,797 km
paved: 84,028 km
unpaved: 10,769 km (2005)
Belgium
total: 152,256 km
paved: 119,079 km (includes 1,763 km of expressways)
unpaved: 33,177 km (2006)
Belize
total: 3,007 km
paved: 575 km
unpaved: 2,432 km (2006)
Benin
total: 16,000 km
paved: 1,400 km
unpaved: 14,600 km (2006)
Bermuda
total: 447 km
paved: 447 km
note: public roads - 225 km; private roads - 222 km (2007)
Bhutan
total: 8,050 km
paved: 4,991 km
unpaved: 3,059 km (2003)
Bolivia
total: 62,479 km
paved: 3,749 km
unpaved: 58,730 km (2004)