| Douarnenez to Cookeville (Tennessee) | 4,045.70 mi (6,510.93 km) |
| Douarnenez to Coolidge (Arizona) | 5,263.35 mi (8,470.55 km) |
| Douarnenez to Coon Rapids (Minnesota) | 3,977.83 mi (6,401.69 km) |
| Douarnenez to Cooper City (Florida) | 4,270.60 mi (6,872.86 km) |
| Douarnenez to Coos Bay (Oregon) | 5,139.70 mi (8,271.56 km) |
| Douarnenez to Copiague (New York) | 3,332.82 mi (5,363.66 km) |
| Douarnenez to Coppell (Texas) | 4,679.87 mi (7,531.52 km) |
| Douarnenez to Copperas Cove (Texas) | 4,807.57 mi (7,737.03 km) |
| Douarnenez to Coral Gables (Florida) | 4,285.99 mi (6,897.64 km) |
| Douarnenez to Coral Springs (Florida) | 4,258.88 mi (6,854.01 km) |
| Douarnenez to Coral Terrace (Florida) | 4,285.51 mi (6,896.87 km) |
| Douarnenez to Coralville (Iowa) | 4,058.86 mi (6,532.11 km) |
| Douarnenez to Coram (New York) | 3,307.95 mi (5,323.63 km) |
| Douarnenez to Corcoran (California) | 5,388.00 mi (8,671.14 km) |
| Douarnenez to Cordele (Georgia) | 4,155.82 mi (6,688.15 km) |
