| Portes-les-Valence to Chenove | 167.17 mi (269.04 km) |
| Portes-les-Valence to Cherbourg | 447.35 mi (719.94 km) |
| Portes-les-Valence to Chevigny-Saint-Sauveur | 168.25 mi (270.76 km) |
| Portes-les-Valence to Chevilly-Larue | 294.21 mi (473.49 km) |
| Portes-les-Valence to Chilly-Mazarin | 291.01 mi (468.33 km) |
| Portes-les-Valence to Choisy-le-Roi | 292.94 mi (471.44 km) |
| Portes-les-Valence to Cholet | 314.86 mi (506.71 km) |
| Portes-les-Valence to Clamart | 298.15 mi (479.83 km) |
| Portes-les-Valence to Claye-Souilly | 299.68 mi (482.29 km) |
| Portes-les-Valence to Clermont | 332.11 mi (534.48 km) |
| Portes-les-Valence to Clermont-Ferrand | 107.45 mi (172.92 km) |
| Portes-les-Valence to Clermont-l'Herault | 111.90 mi (180.08 km) |
| Portes-les-Valence to Clichy | 303.76 mi (488.86 km) |
| Portes-les-Valence to Clichy-sous-Bois | 299.68 mi (482.29 km) |
| Portes-les-Valence to Cluses | 116.31 mi (187.19 km) |
