| Dour to Cloverly (Maryland) | 3,840.23 mi (6,180.25 km) |
| Dour to Clovis (California) | 5,499.95 mi (8,851.31 km) |
| Dour to Clovis (New Mexico) | 5,085.66 mi (8,184.58 km) |
| Dour to Clute (Texas) | 5,074.56 mi (8,166.71 km) |
| Dour to Coachella (California) | 5,570.98 mi (8,965.62 km) |
| Dour to Coalinga (California) | 5,559.05 mi (8,946.43 km) |
| Dour to Coamo (Puerto Rico) | 4,393.18 mi (7,070.14 km) |
| Dour to Coatesville (Pennsylvania) | 3,753.09 mi (6,040.01 km) |
| Dour to Cockeysville (Maryland) | 3,808.44 mi (6,129.10 km) |
| Dour to Cocoa (Florida) | 4,504.53 mi (7,249.33 km) |
| Dour to Cocoa Beach (Florida) | 4,501.01 mi (7,243.67 km) |
| Dour to Coconut Creek (Florida) | 4,583.96 mi (7,377.17 km) |
| Dour to Coeur d'Alene (Idaho) | 4,795.63 mi (7,717.81 km) |
| Dour to Cohoes (New York) | 3,547.71 mi (5,709.49 km) |
| Dour to Cold Springs (Nevada) | 5,342.24 mi (8,597.50 km) |
