| Le Portel to Cognac | 357.10 mi (574.70 km) |
| Le Portel to Cogolin | 565.24 mi (909.67 km) |
| Le Portel to Colmar | 316.88 mi (509.98 km) |
| Le Portel to Colombes | 126.86 mi (204.17 km) |
| Le Portel to Colomiers | 490.19 mi (788.89 km) |
| Le Portel to Combs-la-Ville | 147.47 mi (237.33 km) |
| Le Portel to Comines | 62.84 mi (101.14 km) |
| Le Portel to Compiegne | 105.07 mi (169.09 km) |
| Le Portel to Concarneau | 315.34 mi (507.49 km) |
| Le Portel to Conde-sur-l'Escaut | 90.28 mi (145.29 km) |
| Le Portel to Conflans-Sainte-Honorine | 120.27 mi (193.56 km) |
| Le Portel to Corbas | 380.30 mi (612.04 km) |
| Le Portel to Corbeil-Essonnes | 150.20 mi (241.72 km) |
| Le Portel to Cormeilles-en-Parisis | 122.95 mi (197.87 km) |
| Le Portel to Cosne sur Loire | 235.83 mi (379.53 km) |
