Ca
- Cambridge, Massachusetts, USA
- Cameroon
- Camp Borden, Ontario, Canada
- Camp Elphinstone, British Columbia, Canada
- Campbell Island, British Columbia, Canada
- Campbell River, British Columbia, Canada
- Campbell River, Vancouver Island, British Columbia, Canada
- Campeche, Mexico
- Canada
- Canada, Baffin Island, Canada
- Canada, British Columbia, Canada
- Canada, Cape Dorset, Canada
- Canada, Great Whale River, Quebec, Canada
- Canada, Iglulik, Canada
- Canada, Kinipetu, Canada
- Canada, Port Harrison, Canada
- Canada, Southampton Island, Canada
- Canada, USA
- Canada, Vansittard Island, Canada
- Canada or in Washington, USA
- Canada or southwest district of Alaska, USA
- Canada Povungnituk, Quebec, Canada
- Canada Queen Charlotte Island, British Columbia, Canada
- Canada. Amazon Xingu reserve, Brazil
- Canar, Ecuador
- Canary Islands, Spain
- Canchis, Peru
- Candelaria, Chuquisaca, Bolivia
- Candrundungo, Angola
- Canim Lake, British Columbia, Canada
- Canoe Crossing Site, British Columbia, Canada
- Cantagalli, Italy
- Canterbury, New Zealand
- Canton, Guangdong, China
- Canyon City, British Columbia, Canada
- Canyon de Chelly, Arizona, USA
- Canyon de Chelly, Canyon del Muerto, Arizona, USA
- Canyon del Muerto, Arizona, USA
- Capachica, Puno, Peru
- Cape Bathurst, Baillie Island, Canada
- Cape Bathurst, Canada
- Cape Bathurst Vicinity, Canada
- Cape Beaufort, North Slope Division, Alaska, USA
- Cape Bexley, Canada
- Cape Dorset, Baffin Island, Northwest Territories, Canada
- Cape Dorset, Canada
- Cape Dorset, Northwest Territories, Canada
- Cape Dorset, Northwest Territories CanadaCanada, Canada
- Cape Dorset, Nunavut, Canada
- Cape Dorset, West Baffin Island, Nunavut Territory, Canada
- Cape Dorset Northwest Territories, Canada
- Cape Doset, Nunavut, Canada
- Cape Etolin, Nunivak Island, Bering Sea, Alaska, USA
- Cape Field, Canada
- Cape Flattery, Clallam County, Washington state, USA
- Cape Flattery, Clallam County, Washington, USA
- Cape Flattery, Washington, USA
- Cape Fox, Alaska, USA
- Cape Fox Vicinity, Alaska, USA
- Cape Fullerton, Canada
- Cape Fullerton, West Coast, Hudson Bay, Canada
- Cape Lawrence, Canada
- Cape Mudge, British Columbia, Canada
- Cape Newenham Vicinity, Koniganok, Chagvan Bay, Alaska, USA
- Cape Nome, Alaska, USA
- Cape Nome Vicinity, Alaska, USA
- Cape Parry, Canada
- Cape Prince Of Wales, Alaska, USA
- Cape Shoalwater, Washington, USA
- Cape Smythe, North Slope Borough, Alaska, USA
- Cape Smythe And Point Barrow, North Slope Borough, Alaska, USA
- Cape Verde
- Cape York, Greenland
- Cape York, North Greenland, Greenland
- Cape York, Smith Sound, Greenland
- Cape York District, Greenland
- Capital District, China
- Cappadocia, Turkey
- Carcross, Yukon Territory, Canada
- Cardale Point, British Columbia, Canada
- Cardston, Alberta, Canada
- Cariboo, British Columbia, Canada
- Cariboo A, British Columbia, Canada
- Cariboo E, British Columbia, Canada
- Cariboo F, British Columbia, Canada
- Cariboo G, British Columbia, Canada
- Cariboo H, British Columbia, Canada
- Cariboo J, British Columbia, Canada
- Cariboo K, British Columbia, Canada
- Cariboo L, British Columbia, Canada
- Caribou Island, British Columbia, Canada
- Caribou Mine, Quesnel Lake, British Columbia, Canada
- Carriere Corbin Montieres, Somme, France
- Carthage, Tunis, Tunisia
- Cartwright, Sandwich Bay, Labrador, Canada
- Carumas, Moquegua, Peru
- Casablanca, Morocco
- Casas Grandes, Chihuahua, Mexico
- Castel Durante, Marches, Italy
- Castelli, Marches, Italy