| Sonoma to Carmona | 5,838.60 mi (9,396.32 km) |
| Sonoma to Cartagena | 6,007.06 mi (9,667.43 km) |
| Sonoma to Cartama | 5,914.55 mi (9,518.55 km) |
| Sonoma to Cartaya | 5,788.52 mi (9,315.72 km) |
| Sonoma to Caspe | 5,854.00 mi (9,421.10 km) |
| Sonoma to Cassa de la Selva | 5,917.99 mi (9,524.09 km) |
| Sonoma to Castalla | 5,967.22 mi (9,603.32 km) |
| Sonoma to Castellbisbal | 5,910.04 mi (9,511.29 km) |
| Sonoma to Castelldefels | 5,920.19 mi (9,527.63 km) |
| Sonoma to Castello de Ampurias | 5,905.03 mi (9,503.24 km) |
| Sonoma to Castellon de la Plana | 5,918.53 mi (9,524.96 km) |
| Sonoma to Castilleja de la Cuesta | 5,826.57 mi (9,376.95 km) |
| Sonoma to Catarroja | 5,935.31 mi (9,551.96 km) |
| Sonoma to Catral | 5,984.82 mi (9,631.64 km) |
| Sonoma to Caudete | 5,950.23 mi (9,575.97 km) |
