| Seaford to Caguas (Puerto Rico) | 4,212.29 mi (6,779.03 km) |
| Seaford to Cahokia (Illinois) | 4,234.24 mi (6,814.35 km) |
| Seaford to Calabasas (California) | 5,490.78 mi (8,836.55 km) |
| Seaford to Caldwell (Idaho) | 4,893.01 mi (7,874.54 km) |
| Seaford to Caledonia (Wisconsin) | 3,947.57 mi (6,353.00 km) |
| Seaford to Calera (Alabama) | 4,359.69 mi (7,016.24 km) |
| Seaford to Calexico (California) | 5,468.26 mi (8,800.31 km) |
| Seaford to Calhoun (Georgia) | 4,219.59 mi (6,790.78 km) |
| Seaford to California (Maryland) | 3,695.00 mi (5,946.53 km) |
| Seaford to California City (California) | 5,407.03 mi (8,701.77 km) |
| Seaford to Callaway (Florida) | 4,457.41 mi (7,173.52 km) |
| Seaford to Calumet City (Illinois) | 3,989.24 mi (6,420.07 km) |
| Seaford to Calverton (Maryland) | 3,680.07 mi (5,922.51 km) |
| Seaford to Camano (Washington) | 4,801.41 mi (7,727.13 km) |
| Seaford to Camarillo (California) | 5,497.58 mi (8,847.49 km) |
