| Redding to Carmona | 5,724.55 mi (9,212.77 km) |
| Redding to Cartagena | 5,887.80 mi (9,475.50 km) |
| Redding to Cartama | 5,800.39 mi (9,334.83 km) |
| Redding to Cartaya | 5,676.38 mi (9,135.25 km) |
| Redding to Caspe | 5,729.59 mi (9,220.89 km) |
| Redding to Cassa de la Selva | 5,790.13 mi (9,318.32 km) |
| Redding to Castalla | 5,846.46 mi (9,408.97 km) |
| Redding to Castellbisbal | 5,783.44 mi (9,307.55 km) |
| Redding to Castelldefels | 5,793.81 mi (9,324.23 km) |
| Redding to Castello de Ampurias | 5,776.61 mi (9,296.56 km) |
| Redding to Castellon de la Plana | 5,795.53 mi (9,327.00 km) |
| Redding to Castilleja de la Cuesta | 5,713.08 mi (9,194.32 km) |
| Redding to Catarroja | 5,813.34 mi (9,355.67 km) |
| Redding to Catral | 5,864.72 mi (9,438.35 km) |
| Redding to Caudete | 5,829.67 mi (9,381.95 km) |
