| Portalegre to Coudekerque-Branche | 937.67 mi (1,509.04 km) |
| Portalegre to Coueron | 615.97 mi (991.30 km) |
| Portalegre to Coulommiers | 836.51 mi (1,346.24 km) |
| Portalegre to Courbevoic | 816.12 mi (1,313.43 km) |
| Portalegre to Courcouronnes | 806.82 mi (1,298.46 km) |
| Portalegre to Cournon-d'Auvergne | 698.35 mi (1,123.89 km) |
| Portalegre to Courrieres | 920.00 mi (1,480.59 km) |
| Portalegre to Coutras | 543.30 mi (874.35 km) |
| Portalegre to Couzeix | 631.10 mi (1,015.65 km) |
| Portalegre to Cran-Gevrier | 822.79 mi (1,324.15 km) |
| Portalegre to Craponne | 759.80 mi (1,222.77 km) |
| Portalegre to Creil | 842.01 mi (1,355.08 km) |
| Portalegre to Crepy-en-Valois | 852.39 mi (1,371.78 km) |
| Portalegre to Crest | 738.70 mi (1,188.83 km) |
| Portalegre to Creteil | 816.59 mi (1,314.17 km) |
