| Boulogne-sur-Mer to Cherbourg | 161.03 mi (259.15 km) |
| Boulogne-sur-Mer to Chevigny-Saint-Sauveur | 285.32 mi (459.17 km) |
| Boulogne-sur-Mer to Chevilly-Larue | 139.38 mi (224.31 km) |
| Boulogne-sur-Mer to Chilly-Mazarin | 143.27 mi (230.57 km) |
| Boulogne-sur-Mer to Choisy-le-Roi | 140.21 mi (225.65 km) |
| Boulogne-sur-Mer to Cholet | 277.44 mi (446.50 km) |
| Boulogne-sur-Mer to Clamart | 136.11 mi (219.05 km) |
| Boulogne-sur-Mer to Claye-Souilly | 132.02 mi (212.47 km) |
| Boulogne-sur-Mer to Clermont | 99.60 mi (160.29 km) |
| Boulogne-sur-Mer to Clermont-Ferrand | 348.14 mi (560.28 km) |
| Boulogne-sur-Mer to Clermont-l'Herault | 497.84 mi (801.19 km) |
| Boulogne-sur-Mer to Clichy | 129.61 mi (208.58 km) |
| Boulogne-sur-Mer to Clichy-sous-Bois | 132.28 mi (212.88 km) |
| Boulogne-sur-Mer to Cluses | 394.52 mi (634.92 km) |
| Boulogne-sur-Mer to Cognac | 358.88 mi (577.57 km) |
