| Seaford to Carson (California) | 5,494.52 mi (8,842.57 km) |
| Seaford to Carson City (Nevada) | 5,238.63 mi (8,430.76 km) |
| Seaford to Carteret (New Jersey) | 3,501.48 mi (5,635.09 km) |
| Seaford to Cartersville (Georgia) | 4,229.62 mi (6,806.91 km) |
| Seaford to Carthage (Missouri) | 4,463.47 mi (7,183.26 km) |
| Seaford to Cary (Illinois) | 3,988.59 mi (6,419.01 km) |
| Seaford to Cary (North Carolina) | 3,905.74 mi (6,285.68 km) |
| Seaford to Casa de Oro-Mount Helix (California) | 5,513.20 mi (8,872.64 km) |
| Seaford to Casa Grande (Arizona) | 5,327.67 mi (8,574.05 km) |
| Seaford to Casas Adobes (Arizona) | 5,332.39 mi (8,581.65 km) |
| Seaford to Cascades (Virginia) | 3,698.66 mi (5,952.42 km) |
| Seaford to Casper (Wyoming) | 4,608.15 mi (7,416.10 km) |
| Seaford to Casselberry (Florida) | 4,351.43 mi (7,002.95 km) |
| Seaford to Castaic (California) | 5,469.93 mi (8,803.01 km) |
| Seaford to Castle Pines (Colorado) | 4,734.20 mi (7,618.96 km) |
