| Seymour to Carrollwood (Florida) | 776.99 mi (1,250.44 km) |
| Seymour to Carson (California) | 1,824.39 mi (2,936.07 km) |
| Seymour to Carson City (Nevada) | 1,806.03 mi (2,906.53 km) |
| Seymour to Carteret (New Jersey) | 629.15 mi (1,012.52 km) |
| Seymour to Cartersville (Georgia) | 335.97 mi (540.69 km) |
| Seymour to Carthage (Missouri) | 475.06 mi (764.53 km) |
| Seymour to Cary (Illinois) | 257.30 mi (414.08 km) |
| Seymour to Cary (North Carolina) | 445.50 mi (716.96 km) |
| Seymour to Casa de Oro-Mount Helix (California) | 1,782.66 mi (2,868.91 km) |
| Seymour to Casa Grande (Arizona) | 1,500.66 mi (2,415.08 km) |
| Seymour to Casas Adobes (Arizona) | 1,476.86 mi (2,376.78 km) |
| Seymour to Cascades (Virginia) | 456.52 mi (734.69 km) |
| Seymour to Casper (Wyoming) | 1,097.40 mi (1,766.10 km) |
| Seymour to Casselberry (Florida) | 757.22 mi (1,218.63 km) |
| Seymour to Castaic (California) | 1,829.37 mi (2,944.09 km) |
