| Porto to Coudekerque-Branche | 859.97 mi (1,383.98 km) |
| Porto to Coueron | 539.71 mi (868.58 km) |
| Porto to Coulommiers | 777.37 mi (1,251.06 km) |
| Porto to Courbevoic | 752.02 mi (1,210.26 km) |
| Porto to Courcouronnes | 745.87 mi (1,200.36 km) |
| Porto to Cournon-d'Auvergne | 671.05 mi (1,079.95 km) |
| Porto to Courrieres | 848.29 mi (1,365.19 km) |
| Porto to Coutras | 504.96 mi (812.66 km) |
| Porto to Couzeix | 591.07 mi (951.24 km) |
| Porto to Cran-Gevrier | 805.52 mi (1,296.36 km) |
| Porto to Craponne | 739.24 mi (1,189.69 km) |
| Porto to Creil | 776.34 mi (1,249.40 km) |
| Porto to Crepy-en-Valois | 788.95 mi (1,269.70 km) |
| Porto to Crest | 731.66 mi (1,177.49 km) |
| Porto to Creteil | 754.44 mi (1,214.16 km) |
