| Seal Beach to Carrollwood (Florida) | 2,133.52 mi (3,433.57 km) |
| Seal Beach to Carson (California) | 12.05 mi (19.40 km) |
| Seal Beach to Carson City (Nevada) | 384.33 mi (618.51 km) |
| Seal Beach to Carteret (New Jersey) | 2,433.86 mi (3,916.91 km) |
| Seal Beach to Cartersville (Georgia) | 1,898.34 mi (3,055.08 km) |
| Seal Beach to Carthage (Missouri) | 1,353.41 mi (2,178.11 km) |
| Seal Beach to Cary (Illinois) | 1,715.43 mi (2,760.72 km) |
| Seal Beach to Cary (North Carolina) | 2,217.40 mi (3,568.56 km) |
| Seal Beach to Casa de Oro-Mount Helix (California) | 93.48 mi (150.44 km) |
| Seal Beach to Casa Grande (Arizona) | 368.82 mi (593.56 km) |
| Seal Beach to Casas Adobes (Arizona) | 420.26 mi (676.35 km) |
| Seal Beach to Cascades (Virginia) | 2,272.75 mi (3,657.63 km) |
| Seal Beach to Casper (Wyoming) | 892.89 mi (1,436.97 km) |
| Seal Beach to Casselberry (Florida) | 2,188.37 mi (3,521.84 km) |
| Seal Beach to Castaic (California) | 59.62 mi (95.94 km) |
