| Douarnenez to Caguas (Puerto Rico) | 3,990.58 mi (6,422.22 km) |
| Douarnenez to Cahokia (Illinois) | 4,137.58 mi (6,658.80 km) |
| Douarnenez to Calabasas (California) | 5,462.44 mi (8,790.95 km) |
| Douarnenez to Caldwell (Idaho) | 4,886.95 mi (7,864.79 km) |
| Douarnenez to Caledonia (Wisconsin) | 3,861.88 mi (6,215.09 km) |
| Douarnenez to Calera (Alabama) | 4,234.01 mi (6,813.97 km) |
| Douarnenez to Calexico (California) | 5,425.60 mi (8,731.67 km) |
| Douarnenez to Calhoun (Georgia) | 4,093.88 mi (6,588.47 km) |
| Douarnenez to California (Maryland) | 3,562.05 mi (5,732.56 km) |
| Douarnenez to California City (California) | 5,379.08 mi (8,656.80 km) |
| Douarnenez to Callaway (Florida) | 4,318.39 mi (6,949.77 km) |
| Douarnenez to Calumet City (Illinois) | 3,897.82 mi (6,272.93 km) |
| Douarnenez to Calverton (Maryland) | 3,551.41 mi (5,715.44 km) |
| Douarnenez to Camano (Washington) | 4,825.43 mi (7,765.77 km) |
| Douarnenez to Camarillo (California) | 5,470.65 mi (8,804.16 km) |
