| Rancho Santa Margarita to Carmona | 5,862.74 mi (9,435.17 km) |
| Rancho Santa Margarita to Cartagena | 6,050.56 mi (9,737.44 km) |
| Rancho Santa Margarita to Cartama | 5,938.58 mi (9,557.22 km) |
| Rancho Santa Margarita to Cartaya | 5,805.73 mi (9,343.42 km) |
| Rancho Santa Margarita to Caspe | 5,920.02 mi (9,527.35 km) |
| Rancho Santa Margarita to Cassa de la Selva | 5,998.69 mi (9,653.96 km) |
| Rancho Santa Margarita to Castalla | 6,017.15 mi (9,683.66 km) |
| Rancho Santa Margarita to Castellbisbal | 5,985.18 mi (9,632.22 km) |
| Rancho Santa Margarita to Castelldefels | 5,994.33 mi (9,646.94 km) |
| Rancho Santa Margarita to Castello de Ampurias | 5,988.34 mi (9,637.30 km) |
| Rancho Santa Margarita to Castellon de la Plana | 5,978.15 mi (9,620.90 km) |
| Rancho Santa Margarita to Castilleja de la Cuesta | 5,848.62 mi (9,412.44 km) |
| Rancho Santa Margarita to Catarroja | 5,990.47 mi (9,640.72 km) |
| Rancho Santa Margarita to Catral | 6,031.94 mi (9,707.47 km) |
| Rancho Santa Margarita to Caudete | 5,999.43 mi (9,655.16 km) |
