| Seal Beach to Carmona | 5,877.08 mi (9,458.24 km) |
| Seal Beach to Cartagena | 6,063.80 mi (9,758.75 km) |
| Seal Beach to Cartama | 5,952.94 mi (9,580.33 km) |
| Seal Beach to Cartaya | 5,820.45 mi (9,367.11 km) |
| Seal Beach to Caspe | 5,931.84 mi (9,546.38 km) |
| Seal Beach to Cassa de la Selva | 6,009.62 mi (9,671.54 km) |
| Seal Beach to Castalla | 6,029.99 mi (9,704.33 km) |
| Seal Beach to Castellbisbal | 5,996.45 mi (9,650.36 km) |
| Seal Beach to Castelldefels | 6,005.67 mi (9,665.19 km) |
| Seal Beach to Castello de Ampurias | 5,999.09 mi (9,654.60 km) |
| Seal Beach to Castellon de la Plana | 5,990.38 mi (9,640.59 km) |
| Seal Beach to Castilleja de la Cuesta | 5,863.07 mi (9,435.70 km) |
| Seal Beach to Catarroja | 6,002.98 mi (9,660.86 km) |
| Seal Beach to Catral | 6,044.96 mi (9,728.42 km) |
| Seal Beach to Caudete | 6,012.32 mi (9,675.89 km) |
