an) Australia
Christmas Island (Pacific Ocean) Kiribati
(Kiritimati)
Chukchi Sea Arctic Ocean
Ciskei South Africa
Ciudad Juarez (US Consulate Mexico
General)
Cochabamba (US Consular Agency) Bolivia
Coco, Isla del Costa Rica
Cocos Islands Cocos (Keeling) Islands
Colombo (US Embassy) Sri Lanka
Colon (US Consular Agency) Panama
Colon, Archipielago de Ecuador
(Galapagos Islands)
Commander Islands Soviet Union
(Komandorskiye Ostrova)
Conakry (US Embassy) Guinea
Congo (Brazzaville) Congo
Congo (Kinshasa) Zaire
Congo (Leopoldville) Zaire
Con Son Islands Vietnam
Cook Strait Pacific Ocean
Copenhagen (US Embassy) Denmark
Coral Sea Pacific Ocean
Corn Islands (Islas del Maiz) Nicaragua
Corsica France
Cosmoledo Group Seychelles
Cote d'Ivoire Ivory Coast
Cotonou (US Embassy) Benin
Crete Greece
Crooked Island Passage Atlantic Ocean
Crozet Islands (Iles Crozet) French Southern and Antarctic Lands
Curacao (US Consulate General) Netherlands Antilles
Cusco (US Consular Agency) Peru

Dahomey Benin
Daito Islands Japan
Dakar (US Embassy) Senegal
Daman (Damao) India
Damascus (US Embassy) Syria
Danger Atoll Cook Islands
Danish Straits Atlantic Ocean
Danzig (Gdansk) Poland
Dao Bach Long Vi Vietnam
Dardanelles Atlantic Ocean
Dar es Salaam (US Embassy) Tanzania
Davis Strait Atlantic Ocean
Deception Island Antarctica
Denmark Strait Atlantic Ocean
D'Entrecasteaux Islands Papua New Guinea
Devon Island Canada
Dhahran (US Consulate General) Saudi Arabia
Dhaka (US Embassy) Bangladesh
Diego Garcia British Indian Ocean Territory
Diego Ramirez Chile
Diomede Islands Soviet Union (Big Diomede); United States
(Little Diomede)
Diu