| Petite-Synthe to Cartagena | 941.73 mi (1,515.57 km) |
| Petite-Synthe to Cartama | 1,047.07 mi (1,685.10 km) |
| Petite-Synthe to Cartaya | 1,057.74 mi (1,702.27 km) |
| Petite-Synthe to Caspe | 685.89 mi (1,103.84 km) |
| Petite-Synthe to Cassa de la Selva | 631.57 mi (1,016.41 km) |
| Petite-Synthe to Castalla | 871.08 mi (1,401.87 km) |
| Petite-Synthe to Castellbisbal | 659.83 mi (1,061.89 km) |
| Petite-Synthe to Castelldefels | 673.42 mi (1,083.77 km) |
| Petite-Synthe to Castello de Ampurias | 606.56 mi (976.16 km) |
| Petite-Synthe to Castellon de la Plana | 771.38 mi (1,241.42 km) |
| Petite-Synthe to Castilleja de la Cuesta | 1,028.63 mi (1,655.42 km) |
| Petite-Synthe to Catarroja | 813.87 mi (1,309.80 km) |
| Petite-Synthe to Catral | 902.05 mi (1,451.71 km) |
| Petite-Synthe to Caudete | 866.48 mi (1,394.47 km) |
| Petite-Synthe to Cehegin | 916.12 mi (1,474.35 km) |
