| Douai to Cicero (Illinois) | 4,114.23 mi (6,621.22 km) |
| Douai to Cimarron Hills (Colorado) | 4,880.44 mi (7,854.30 km) |
| Douai to Cincinnati (Ohio) | 4,113.48 mi (6,620.01 km) |
| Douai to Cinco Ranch (Texas) | 5,024.85 mi (8,086.72 km) |
| Douai to Circleville (Ohio) | 4,029.55 mi (6,484.93 km) |
| Douai to Citrus (California) | 5,581.22 mi (8,982.10 km) |
| Douai to Citrus Heights (California) | 5,419.28 mi (8,721.49 km) |
| Douai to Citrus Park (Florida) | 4,566.79 mi (7,349.53 km) |
| Douai to Claiborne (Louisiana) | 4,740.16 mi (7,628.55 km) |
| Douai to Claremont (California) | 5,575.13 mi (8,972.31 km) |
| Douai to Claremont (New Hampshire) | 3,439.55 mi (5,535.42 km) |
| Douai to Claremore (Oklahoma) | 4,681.80 mi (7,534.62 km) |
| Douai to Clarksburg (Maryland) | 3,817.87 mi (6,144.26 km) |
| Douai to Clarksburg (West Virginia) | 3,939.47 mi (6,339.96 km) |
| Douai to Clarksdale (Mississippi) | 4,592.50 mi (7,390.91 km) |
