- Cape Verde Islands, Cape Verde, Africa1
- Cape of Good Hope, Western Cape, South Africa1
- Carbon (Northampton) County, Pennsylvania, United States1
- Castleton, Derbyshire, England, United Kingdom1
- Cayuga Lake, New York, United States1
- Cayuga River, New York, United States1
- Charleston Harbor, Charleston County, South Carolina, United States1
- Charleston Harbor, Charleston, Charleston County, South Carolina, United States1
- Charleston Neck, Charleston County, South Carolina, United States1
- Charleston, Charleston County, South, Carolina, United States1
- Charlotte Harbor, Charleston County, South Carolina, United States1
- Charlotte Harbor, Charlotte County, Florida, United States1
- Charlotte, Mecklenburg County, North Carolina, United States1
- Chattanooga, Hamilton County, Tennessee, United States1
- Chemnitz, Saxony, Germany (Hungary)1
- Cheraw, Chesterfield County, South Carolina, United States1
- Cherryvale, Sumter County, South Carolina, United States1
- Chesapeake Bay, Maryland, Virginia, United States1
- Cheshire, New Haven County, Connecticut, United States1
- Cheshire, New Haven, Connecticut, United States1