na
Horn of Africa Ethiopia; Somalia
Hudson Bay Arctic Ocean
Hudson Strait Arctic Ocean

Inaccessible Island Saint Helena
Indochina Cambodia; Laos; Vietnam
Inner Mongolia (Nei Mongol) China
Ionian Islands Greece
Ionian Sea Atlantic Ocean
Irian Jaya Indonesia
Irish Sea Atlantic Ocean
Islamabad [US Embassy] Pakistan
Islas Malvinas Falkland Islands (Islas Malvinas)
Istanbul [US Consulate General] Turkey
Italian Somaliland Somalia
Iwo Jima Japan
Izmir [US Consulate General] Turkey

Jakarta [US Embassy] Indonesia
Japan, Sea of Pacific Ocean
Java Indonesia
Java Sea Indian Ocean
Jeddah [US Consulate General] Saudi Arabia
Jerusalem [US Consulate General] Israel; West Bank
Johannesburg South Africa
[US Consulate General]
Juan de Fuca, Strait of Pacific Ocean
Juan Fernandez, Isla de Chile
Juventud, Isla de la Cuba
(Isle of Youth)

Kabul [US Embassy now closed] Afghanistan
Kaduna [US Consulate General] Nigeria
Kalimantan Indonesia
Kamchatka Peninsula Soviet Union
(Poluostrov Kamchatka)
Kampala [US Embassy] Uganda
Kampuchea Cambodia
Karachi [US Consulate General] Pakistan
Kara Sea Arctic Ocean
Karimata Strait Indian Ocean
Kathmandu [US Embassy] Nepal
Kattegat Atlantic Ocean
Kauai Channel Pacific Ocean
Keeling Islands Cocos (Keeling) Islands
Kerguelen, Iles French Southern and Antarctic Lands
Kermadec Islands New Zealand
Khabarovsk Soviet Union
Khartoum [US Embassy] Sudan
Khmer Republic Cambodia
Kiel Canal (Nord-Ostsee Kanal) Atlantic Ocean
Khuriya Muriya Islands Oman
(Kuria Muria Islands)
Khyber Pass Pakistan
Kigali [US Embassy] Rwanda
Kingston [US Embassy] Jamaica
Kinshasa [US Embassy] Zaire
Kiritimati (Christmas Island) Kiribati