Portugal:
820 km
note: relatively unimportant to national economy, used by
shallow-draft craft limited to 300 metric-ton or less cargo capacity
Puerto Rico:
none
Qatar:
none
Reunion:
none
Romania:
1,724 km (1984)
Russia:
95,900 km (total routes in general use)
note: routes with navigation guides serving the Russian River
Fleet-95,900 km; routes with night navigational aids-60,400 km;
man-made navigable routes-16,900 km (Jan 1994)
Rwanda:
note: Lac Kivu navigable by shallow-draft barges and native
craft
Saint Helena:
none