lanca [US Consulate General] Morocco
Cato Island Australia
Cebu [US Consulate] Philippines
Celebes Indonesia
Celebes Sea Pacific Ocean
Celtic Sea Atlantic Ocean
Central African Empire Central African Republic
Ceuta Spain
Ceylon Sri Lanka
Chafarinas, Islas Spain
Chagos Archipelago (Oil Islands) British Indian Ocean Territory
Channel Islands Guernsey; Jersey
Chatham Islands New Zealand
Cheju-do Korea, South
Cheju Strait Pacific Ocean
Chengdu [US Consulate General] China
Chesterfield Islands New Caledonia
(Iles Chesterfield)
Chiang Mai [US Consulate General] Thailand
Chihli, Gulf of (Bo Hai) Pacific Ocean
China, People's Republic of China
China, Republic of Taiwan
Choiseul Solomon Islands
Christchurch [US Consular Agency] New Zealand
Christmas Island [Indian Ocean] 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 Gene