New Zealand
Canal Zone Panama
Canary Islands Spain
Canberra [US Embassy] Australia
Cancun [US Consular Agency] Mexico
Canton (Guangzhou) China
Canton Island Kiribati
Cape Town [US Consulate General] South Africa
Caracas [US Embassy] Venezuela
Cargados Carajos Shoals Mauritius
Caroline Islands Micronesia, Federated States of;
Pacific Islands, Trust Territory of the
Caribbean Sea Atlantic Ocean
Carpentaria, Gulf of Pacific Ocean
Casablanca [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 Russia
(Komandorskiye Ostrova)
Conakry [US Embassy] Guinea
Congo (Brazzaville) Congo
Congo (Kinshas