Holy See (Vatican City):
none
Honduras:
465 km (navigable by small craft)
Hong Kong:
none
Howland Island:
none
Hungary:
1,373 km (permanently navigable) (1997)
Iceland:
none
India:
16,180 km
note: 3,631 km navigable by large vessels
Indonesia:
21,579 km total
note: Sumatra 5,471 km, Java and Madura 820 km, Kalimantan 10,460
km, Sulawesi (Celebes) 241 km, Irian Jaya 4,587 km