| Seaford to Caño Martin Peña (Puerto Rico) | 4,202.51 mi (6,763.28 km) |
| Seaford to Cañon City (Colorado) | 4,799.78 mi (7,724.50 km) |
| Seaford to Canóvanas (Puerto Rico) | 4,199.19 mi (6,757.94 km) |
| Seaford to Canton (Georgia) | 4,212.87 mi (6,779.96 km) |
| Seaford to Canton (Illinois) | 4,133.98 mi (6,653.00 km) |
| Seaford to Canton (Mississippi) | 4,519.55 mi (7,273.51 km) |
| Seaford to Canton (Ohio) | 3,782.34 mi (6,087.09 km) |
| Seaford to Canyon (Texas) | 4,860.56 mi (7,822.31 km) |
| Seaford to Canyon Lake (California) | 5,470.50 mi (8,803.92 km) |
| Seaford to Canyon Lake (Texas) | 4,986.80 mi (8,025.48 km) |
| Seaford to Cape Coral (Florida) | 4,480.17 mi (7,210.13 km) |
| Seaford to Cape Girardeau (Missouri) | 4,270.14 mi (6,872.13 km) |
| Seaford to Carbondale (Illinois) | 4,237.16 mi (6,819.05 km) |
| Seaford to Carlisle (Pennsylvania) | 3,640.42 mi (5,858.68 km) |
| Seaford to Carlsbad (California) | 5,503.18 mi (8,856.51 km) |
