| Petaluma to Carmona | 5,847.36 mi (9,410.42 km) |
| Petaluma to Cartagena | 6,015.61 mi (9,681.20 km) |
| Petaluma to Cartama | 5,923.31 mi (9,532.65 km) |
| Petaluma to Cartaya | 5,797.35 mi (9,329.93 km) |
| Petaluma to Caspe | 5,862.31 mi (9,434.48 km) |
| Petaluma to Cassa de la Selva | 5,926.12 mi (9,537.18 km) |
| Petaluma to Castalla | 5,975.71 mi (9,616.98 km) |
| Petaluma to Castellbisbal | 5,918.24 mi (9,524.49 km) |
| Petaluma to Castelldefels | 5,928.40 mi (9,540.84 km) |
| Petaluma to Castello de Ampurias | 5,913.13 mi (9,516.27 km) |
| Petaluma to Castellon de la Plana | 5,926.91 mi (9,538.45 km) |
| Petaluma to Castilleja de la Cuesta | 5,835.35 mi (9,391.09 km) |
| Petaluma to Catarroja | 5,943.74 mi (9,565.53 km) |
| Petaluma to Catral | 5,993.34 mi (9,645.35 km) |
| Petaluma to Caudete | 5,958.73 mi (9,589.64 km) |
