| Cascais to Cabestany | 702.62 mi (1,130.76 km) |
| Cascais to Cabries | 835.94 mi (1,345.32 km) |
| Cascais to Cachan | 908.94 mi (1,462.80 km) |
| Cascais to Caen | 851.21 mi (1,369.88 km) |
| Cascais to Cagnes-sur-Mer | 925.17 mi (1,488.91 km) |
| Cascais to Cahors | 686.54 mi (1,104.89 km) |
| Cascais to Calais | 1,008.09 mi (1,622.37 km) |
| Cascais to Caluire-et-Cuire | 876.90 mi (1,411.23 km) |
| Cascais to Cambrai | 1,006.25 mi (1,619.40 km) |
| Cascais to Canet-en-Roussillon | 706.27 mi (1,136.64 km) |
| Cascais to Cannes | 916.47 mi (1,474.92 km) |
| Cascais to Canteleu | 904.23 mi (1,455.22 km) |
| Cascais to Capbreton | 537.19 mi (864.52 km) |
| Cascais to Carcassonne | 687.67 mi (1,106.70 km) |
| Cascais to Carmaux | 703.81 mi (1,132.67 km) |
