| Seaford to Cloverly (Maryland) | 3,680.02 mi (5,922.42 km) |
| Seaford to Clovis (California) | 5,369.23 mi (8,640.95 km) |
| Seaford to Clovis (New Mexico) | 4,936.74 mi (7,944.92 km) |
| Seaford to Clute (Texas) | 4,916.94 mi (7,913.05 km) |
| Seaford to Coachella (California) | 5,433.38 mi (8,744.18 km) |
| Seaford to Coalinga (California) | 5,428.43 mi (8,736.22 km) |
| Seaford to Coamo (Puerto Rico) | 4,234.46 mi (6,814.70 km) |
| Seaford to Coatesville (Pennsylvania) | 3,592.95 mi (5,782.29 km) |
| Seaford to Cockeysville (Maryland) | 3,648.31 mi (5,871.38 km) |
| Seaford to Cocoa (Florida) | 4,341.61 mi (6,987.15 km) |
| Seaford to Cocoa Beach (Florida) | 4,338.06 mi (6,981.44 km) |
| Seaford to Coconut Creek (Florida) | 4,420.66 mi (7,114.37 km) |
| Seaford to Coeur d'Alene (Idaho) | 4,673.37 mi (7,521.06 km) |
| Seaford to Cohoes (New York) | 3,388.52 mi (5,453.30 km) |
| Seaford to Cold Springs (Nevada) | 5,214.71 mi (8,392.26 km) |
