Bulgaria
470 km (2004)
Burma
12,800 km (2004)
Burundi
mainly on Lake Tanganyika (2004)
Cambodia
2,400 km (mainly on Mekong River) (2004)
Cameroon
navigation mainly on Benue River; limited during rainy
season (2004)
Canada
631 km
note: Saint Lawrence Seaway of 3,769 km, including the Saint
Lawrence River of 3,058 km, shared with United States (2003)
Central African Republic
2,800 km (primarily on the Oubangui and
Sangha rivers) (2004)
Chad
Chari and Legone rivers are navigable only in wet season (2002)
China
121,557 km (2002)
Colombia
9,187 km (2004)