| Douarnenez to Culpeper (Virginia) | 3,621.09 mi (5,827.58 km) |
| Douarnenez to Culver City (California) | 5,459.91 mi (8,786.88 km) |
| Douarnenez to Cumberland (Maryland) | 3,606.44 mi (5,804.00 km) |
| Douarnenez to Cupertino (California) | 5,404.69 mi (8,698.01 km) |
| Douarnenez to Cutler Bay (Florida) | 4,294.90 mi (6,911.97 km) |
| Douarnenez to Cutlerville (Michigan) | 3,770.19 mi (6,067.53 km) |
| Douarnenez to Cuyahoga Falls (Ohio) | 3,664.28 mi (5,897.08 km) |
| Douarnenez to Cypress (California) | 5,457.34 mi (8,782.74 km) |
| Douarnenez to Cypress Gardens (Florida) | 4,243.08 mi (6,828.58 km) |
| Douarnenez to Cypress Lake (Florida) | 4,321.00 mi (6,953.98 km) |
| Douarnenez to D'Iberville (Mississippi) | 4,450.58 mi (7,162.52 km) |
| Douarnenez to Dakota Ridge (Colorado) | 4,683.29 mi (7,537.02 km) |
| Douarnenez to Dale City (Virginia) | 3,585.28 mi (5,769.96 km) |
| Douarnenez to Dallas (Georgia) | 4,115.24 mi (6,622.84 km) |
| Douarnenez to Dallas (Oregon) | 5,027.27 mi (8,090.61 km) |
