| Douai to Cloverly (Maryland) | 3,812.20 mi (6,135.14 km) |
| Douai to Clovis (California) | 5,480.24 mi (8,819.59 km) |
| Douai to Clovis (New Mexico) | 5,061.25 mi (8,145.29 km) |
| Douai to Clute (Texas) | 5,047.49 mi (8,123.16 km) |
| Douai to Coachella (California) | 5,549.57 mi (8,931.17 km) |
| Douai to Coalinga (California) | 5,539.37 mi (8,914.75 km) |
| Douai to Coamo (Puerto Rico) | 4,362.26 mi (7,020.37 km) |
| Douai to Coatesville (Pennsylvania) | 3,725.08 mi (5,994.94 km) |
| Douai to Cockeysville (Maryland) | 3,780.44 mi (6,084.03 km) |
| Douai to Cocoa (Florida) | 4,475.18 mi (7,202.11 km) |
| Douai to Cocoa Beach (Florida) | 4,471.64 mi (7,196.41 km) |
| Douai to Coconut Creek (Florida) | 4,554.29 mi (7,329.42 km) |
| Douai to Coeur d'Alene (Idaho) | 4,777.87 mi (7,689.24 km) |
| Douai to Cohoes (New York) | 3,520.06 mi (5,664.99 km) |
| Douai to Cold Springs (Nevada) | 5,323.28 mi (8,566.99 km) |
