| Porto to Cabestany | 603.23 mi (970.80 km) |
| Porto to Cabries | 731.69 mi (1,177.54 km) |
| Porto to Cachan | 749.94 mi (1,206.91 km) |
| Porto to Caen | 683.56 mi (1,100.09 km) |
| Porto to Cagnes-sur-Mer | 821.51 mi (1,322.10 km) |
| Porto to Cahors | 557.82 mi (897.72 km) |
| Porto to Calais | 840.62 mi (1,352.84 km) |
| Porto to Caluire-et-Cuire | 746.05 mi (1,200.65 km) |
| Porto to Cambrai | 843.98 mi (1,358.26 km) |
| Porto to Canet-en-Roussillon | 606.66 mi (976.33 km) |
| Porto to Cannes | 813.86 mi (1,309.78 km) |
| Porto to Canteleu | 739.22 mi (1,189.66 km) |
| Porto to Capbreton | 404.68 mi (651.27 km) |
| Porto to Carcassonne | 578.79 mi (931.48 km) |
| Porto to Carmaux | 582.84 mi (937.99 km) |
