| Rancho San Diego to Carmona | 5,874.02 mi (9,453.31 km) |
| Rancho San Diego to Cartagena | 6,064.89 mi (9,760.49 km) |
| Rancho San Diego to Cartama | 5,949.75 mi (9,575.19 km) |
| Rancho San Diego to Cartaya | 5,815.89 mi (9,359.78 km) |
| Rancho San Diego to Caspe | 5,938.26 mi (9,556.71 km) |
| Rancho San Diego to Cassa de la Selva | 6,019.30 mi (9,687.12 km) |
| Rancho San Diego to Castalla | 6,032.59 mi (9,708.51 km) |
| Rancho San Diego to Castellbisbal | 6,004.87 mi (9,663.91 km) |
| Rancho San Diego to Castelldefels | 6,013.85 mi (9,678.35 km) |
| Rancho San Diego to Castello de Ampurias | 6,009.38 mi (9,671.17 km) |
| Rancho San Diego to Castellon de la Plana | 5,995.25 mi (9,648.43 km) |
| Rancho San Diego to Castilleja de la Cuesta | 5,859.55 mi (9,430.04 km) |
| Rancho San Diego to Catarroja | 6,006.81 mi (9,667.03 km) |
| Rancho San Diego to Catral | 6,046.90 mi (9,731.54 km) |
| Rancho San Diego to Caudete | 6,014.77 mi (9,679.84 km) |
