Ca
- Castle Rock, Washington, USA
- Castlegar, British Columbia, Canada
- Cat Island, Alaska, USA
- Catanduanes, Philippines
- Catania, Sicily, Italy
- Cave At Heg'emz, Gwa'waenox, British Columbia, Canada
- cave near headwaters of Mineral Creek, Arizona, USA
- Cave Near Koskimo, Vancouver Island, British Columbia, Canada
- Cave Nimphids, British Columbia, Canada
- Cawston, British Columbia, Canada
Ce
- Ceara, Brazil
- Cedarvale, British Columbia, Canada
- Celaya, Guanajuato, Mexico
- Central, Botswana
- Central, Fiji
- Central Coast, Peru
- Central Coast A, British Columbia, Canada
- Central Coast C, British Columbia, Canada
- Central coastal area of British Columbia, Canada
- Central costal area of British Columbia, Canada
- Central Governorate, Bahrain
- Central Highlands, Peru
- Central Kootenay J, British Columbia, Canada
- Central Kootenay K, British Columbia, Canada
- Central part of Vancouver, British Columbia, Canada
- Central Plains, Oklahoma, USA
- Central States, Unknown State, USA
- Cerro Teojate, Peru
Ch
- Chagvan Bay, Alaska, USA
- Chahuaytire, Cuzco, Peru
- Chahuaytire, Cuzco Province, Peru
- Chahuaytire, Peru
- Chajul, Quiche, Guatemala
- Challhuahuacho, Apurimac, Peru
- Chamba, Himachal Pradesh, India
- Chambesi, Zambia
- Chamula, Chiapas, Mexico
- Chamusca, Santarem, Portugal
- Chanal, Chiapas, Mexico
- Chancay, Ica, Peru
- Chancay, Lima, Peru
- Chancay, Peru
- Changsha, Hunan, China
- Changteh, China
- Charleston, Massachusetts, USA
- Charlestown, Massachusetts, USA
- Chatham Strait, Sitka Borough, Alaska, USA
- Chatsworth, California, USA
- Chavin, Peru
- Chehalis, British Columbia, Canada
- Chehalis, Lewis County, Washington, USA
- Chemainus, British Columbia, Canada
- Chemainus, Vancouver Island, British Columbia, Canada
- Chenalho, Chiapas, Mexico
- Chengdu, Sichuan, China
- Chengtu, China
- Chennai, Tamil Nadu, India
- Cherchel, Algeria
- Chersonesus, Ukraine
- Chesterfield Inlet, Canada
- Chesterfield Inlet, Kinipetu, Canada
- Chesterfield Inlet, Kinipetu Tribe, Canada
- Chesterfield Inlet, Northwest Territories, Canada
- Chesterfield Inlet, Nunavut, Canada
- Chesterfield Inlet, Schultz Lake, Canada
- Chez Pigeassou, Dordogne, France
- Chhattisgarh, India
- Chiang Mai, Thailand
- Chiapas, Mexico
- Chiba, Japan
- Chicago, Illinois, USA
- Chicago, USA
- Chichagof Bay, Attu Island, Aleutian Islands, Alaska, USA
- Chichagof Island, Alaska, USA
- Chichagof Island, Sitka Borough, Alaska, USA
- Chichicastenango, El Quiche, Guatemala
- Chichicastenango, Quiche, Guatemala
- Chico, California, USA
- Chicoutimi, Quebec, Canada
- Chignik Bay, Alaska, USA
- Chihuahua, Mexico
- Chik Wai Koon, Hong Kong, China
- Chikugo-Shi, Fukuoka, Japan
- Chilcoot, Alaska, USA
- Chile
- Chilkaht, Alaska, USA
- Chilkat, Alaska, USA
- Chilkat, British Columbia, Canada
- Chilkat, Chilkoot, Haines Borough, Alaska, USA
- Chilkat, Haines Borough, Alaska, USA
- Chilkat, Harrisburg, Alaska, USA
- Chilkat, Klukwan, Haines Borough, Alaska, USA
- Chilkat Country, Haines Borough, Alaska, USA
- Chilkat Inlet, Haines Borough, Alaska, USA
- Chilkat Qwan, Chilkat River, Haines Borough, Alaska, USA
- Chilkat Qwan, Chilkoot, Haines Borough, Alaska, USA
- Chilkat Qwan, Chilkoot Lake, Haines Borough, Alaska, USA
- Chilkat Qwan, Deshu, Chilkoot, Haines Borough, Alaska, USA
- Chilkat Qwan, Haines Borough, Alaska, USA
C̓