| Welver to Cloverly (Maryland) | 3,975.28 mi (6,397.59 km) |
| Welver to Clovis (California) | 5,556.85 mi (8,942.89 km) |
| Welver to Clovis (New Mexico) | 5,183.26 mi (8,341.65 km) |
| Welver to Clute (Texas) | 5,197.97 mi (8,365.32 km) |
| Welver to Coachella (California) | 5,641.68 mi (9,079.41 km) |
| Welver to Coalinga (California) | 5,615.66 mi (9,037.54 km) |
| Welver to Coamo (Puerto Rico) | 4,577.48 mi (7,366.75 km) |
| Welver to Coatesville (Pennsylvania) | 3,887.94 mi (6,257.04 km) |
| Welver to Cockeysville (Maryland) | 3,943.21 mi (6,345.98 km) |
| Welver to Cocoa (Florida) | 4,654.89 mi (7,491.33 km) |
| Welver to Cocoa Beach (Florida) | 4,651.68 mi (7,486.16 km) |
| Welver to Coconut Creek (Florida) | 4,738.78 mi (7,626.33 km) |
| Welver to Coeur d'Alene (Idaho) | 4,838.18 mi (7,786.31 km) |
| Welver to Cohoes (New York) | 3,678.89 mi (5,920.61 km) |
| Welver to Cold Springs (Nevada) | 5,393.35 mi (8,679.76 km) |
