| Portet-sur-Garonne to Coudekerque-Branche | 520.48 mi (837.63 km) |
| Portet-sur-Garonne to Coueron | 296.92 mi (477.85 km) |
| Portet-sur-Garonne to Coulommiers | 374.44 mi (602.60 km) |
| Portet-sur-Garonne to Courbevoic | 373.63 mi (601.30 km) |
| Portet-sur-Garonne to Courcouronnes | 355.90 mi (572.77 km) |
| Portet-sur-Garonne to Cournon-d'Auvergne | 176.88 mi (284.66 km) |
| Portet-sur-Garonne to Courrieres | 484.69 mi (780.03 km) |
| Portet-sur-Garonne to Coutras | 129.53 mi (208.45 km) |
| Portet-sur-Garonne to Couzeix | 162.87 mi (262.11 km) |
| Portet-sur-Garonne to Cran-Gevrier | 283.27 mi (455.88 km) |
| Portet-sur-Garonne to Craponne | 224.02 mi (360.52 km) |
| Portet-sur-Garonne to Creil | 399.65 mi (643.17 km) |
| Portet-sur-Garonne to Crepy-en-Valois | 400.94 mi (645.25 km) |
| Portet-sur-Garonne to Crest | 197.75 mi (318.24 km) |
| Portet-sur-Garonne to Creteil | 367.55 mi (591.52 km) |
