| Le Portel to Cabestany | 558.31 mi (898.51 km) |
| Le Portel to Cabries | 532.82 mi (857.48 km) |
| Le Portel to Cachan | 136.56 mi (219.78 km) |
| Le Portel to Caen | 136.35 mi (219.43 km) |
| Le Portel to Cagnes-sur-Mer | 552.17 mi (888.62 km) |
| Le Portel to Cahors | 432.51 mi (696.06 km) |
| Le Portel to Calais | 20.76 mi (33.40 km) |
| Le Portel to Caluire-et-Cuire | 371.18 mi (597.35 km) |
| Le Portel to Cambrai | 81.80 mi (131.64 km) |
| Le Portel to Canet-en-Roussillon | 556.95 mi (896.33 km) |
| Le Portel to Cannes | 556.23 mi (895.17 km) |
| Le Portel to Canteleu | 89.96 mi (144.78 km) |
| Le Portel to Capbreton | 508.02 mi (817.58 km) |
| Le Portel to Carcassonne | 519.26 mi (835.66 km) |
| Le Portel to Carmaux | 460.80 mi (741.58 km) |
