| Seaford to Castle Rock (Colorado) | 4,738.10 mi (7,625.23 km) |
| Seaford to Castro Valley (California) | 5,391.15 mi (8,676.22 km) |
| Seaford to Catalina Foothills (Arizona) | 5,329.95 mi (8,577.73 km) |
| Seaford to Cataño (Puerto Rico) | 4,206.22 mi (6,769.25 km) |
| Seaford to Cathedral City (California) | 5,435.82 mi (8,748.11 km) |
| Seaford to Catonsville (Maryland) | 3,662.44 mi (5,894.13 km) |
| Seaford to Cave Spring (Virginia) | 3,888.63 mi (6,258.14 km) |
| Seaford to Cayce (South Carolina) | 4,084.38 mi (6,573.17 km) |
| Seaford to Cayey (Puerto Rico) | 4,223.74 mi (6,797.46 km) |
| Seaford to Cedar City (Utah) | 5,109.83 mi (8,223.48 km) |
| Seaford to Cedar Falls (Iowa) | 4,133.03 mi (6,651.47 km) |
| Seaford to Cedar Hill (Texas) | 4,795.96 mi (7,718.36 km) |
| Seaford to Cedar Lake (Indiana) | 3,996.13 mi (6,431.15 km) |
| Seaford to Cedar Mill (Oregon) | 4,961.46 mi (7,984.70 km) |
| Seaford to Cedar Park (Texas) | 4,936.46 mi (7,944.46 km) |
