| Portimao to Cabestany | 718.03 mi (1,155.56 km) |
| Portimao to Cabries | 851.45 mi (1,370.28 km) |
| Portimao to Cachan | 972.81 mi (1,565.59 km) |
| Portimao to Caen | 927.07 mi (1,491.98 km) |
| Portimao to Cagnes-sur-Mer | 938.39 mi (1,510.19 km) |
| Portimao to Cahors | 725.34 mi (1,167.33 km) |
| Portimao to Calais | 1,082.52 mi (1,742.15 km) |
| Portimao to Caluire-et-Cuire | 913.33 mi (1,469.86 km) |
| Portimao to Cambrai | 1,073.29 mi (1,727.29 km) |
| Portimao to Canet-en-Roussillon | 721.73 mi (1,161.51 km) |
| Portimao to Cannes | 929.04 mi (1,495.15 km) |
| Portimao to Canteleu | 975.81 mi (1,570.42 km) |
| Portimao to Capbreton | 584.21 mi (940.20 km) |
| Portimao to Carcassonne | 710.72 mi (1,143.79 km) |
| Portimao to Carmaux | 735.82 mi (1,184.18 km) |
