| Unicov to Cloverly (Maryland) | 4,390.28 mi (7,065.47 km) |
| Unicov to Clovis (California) | 5,898.36 mi (9,492.49 km) |
| Unicov to Clovis (New Mexico) | 5,570.64 mi (8,965.08 km) |
| Unicov to Clute (Texas) | 5,605.71 mi (9,021.53 km) |
| Unicov to Coachella (California) | 5,999.75 mi (9,655.67 km) |
| Unicov to Coalinga (California) | 5,956.59 mi (9,586.20 km) |
| Unicov to Coamo (Puerto Rico) | 4,984.97 mi (8,022.53 km) |
| Unicov to Coatesville (Pennsylvania) | 4,302.91 mi (6,924.87 km) |
| Unicov to Cockeysville (Maryland) | 4,358.11 mi (7,013.70 km) |
| Unicov to Cocoa (Florida) | 5,074.61 mi (8,166.79 km) |
| Unicov to Cocoa Beach (Florida) | 5,071.46 mi (8,161.72 km) |
| Unicov to Coconut Creek (Florida) | 5,159.12 mi (8,302.80 km) |
| Unicov to Coeur d'Alene (Idaho) | 5,163.76 mi (8,310.27 km) |
| Unicov to Cohoes (New York) | 4,092.32 mi (6,585.96 km) |
| Unicov to Cold Springs (Nevada) | 5,728.00 mi (9,218.32 km) |
