Mauritania
some navigation possible on Senegal River (2010)
Mexico
2,900 km (navigable rivers and coastal canals mostly
connected with ports on the country's east coast) (2010)
Moldova
558 km (in public use on Danube, Dniester and Prut rivers)
(2008)
Mongolia
580 km
note: only waterway in operation is Lake Hovsgol (135 km); Selenge
River (270 km) and Orhon River (175 km) are navigable but carry
little traffic; lakes and rivers freeze in winter, are open from May
to September (2010)
Mozambique
460 km (Zambezi River navigable to Tete and along Cahora
Bassa Lake) (2010)
Netherlands
6,215 km (navigable for ships of 50 tons) (2007)
Nicaragua
2,220 km (navigable waterways as well as the use of the
large Lake Managua and Lake Nicaragua; rivers serve only the
sparsely populated eastern part of the country) (2010)
Niger
300 km; (the Niger, the only major river, is navigable to Gaya
between September and March) (2008)
Nigeria
8,600 km (Niger and Benue rivers and smaller rivers and
creeks) (2009)
Norway
1,577 km (2008)