| Douarnenez to Caño Martin Peña (Puerto Rico) | 3,981.25 mi (6,407.21 km) |
| Douarnenez to Cañon City (Colorado) | 4,744.06 mi (7,634.83 km) |
| Douarnenez to Canóvanas (Puerto Rico) | 3,977.47 mi (6,401.12 km) |
| Douarnenez to Canton (Georgia) | 4,085.09 mi (6,574.31 km) |
| Douarnenez to Canton (Illinois) | 4,044.70 mi (6,509.31 km) |
| Douarnenez to Canton (Mississippi) | 4,401.05 mi (7,082.80 km) |
| Douarnenez to Canton (Ohio) | 3,672.06 mi (5,909.61 km) |
| Douarnenez to Canyon (Texas) | 4,783.79 mi (7,698.76 km) |
| Douarnenez to Canyon Lake (California) | 5,436.39 mi (8,749.02 km) |
| Douarnenez to Canyon Lake (Texas) | 4,882.81 mi (7,858.12 km) |
| Douarnenez to Cape Coral (Florida) | 4,320.43 mi (6,953.06 km) |
| Douarnenez to Cape Girardeau (Missouri) | 4,167.12 mi (6,706.34 km) |
| Douarnenez to Carbondale (Illinois) | 4,134.78 mi (6,654.29 km) |
| Douarnenez to Carlisle (Pennsylvania) | 3,517.23 mi (5,660.44 km) |
| Douarnenez to Carlsbad (California) | 5,467.52 mi (8,799.12 km) |
