| Cascais to Cortona | 1,156.63 mi (1,861.41 km) |
| Cascais to Cosenza | 1,374.18 mi (2,211.53 km) |
| Cascais to Cossato | 1,015.17 mi (1,633.76 km) |
| Cascais to Costa Volpino | 1,108.90 mi (1,784.60 km) |
| Cascais to Creazzo | 1,166.13 mi (1,876.71 km) |
| Cascais to Crema | 1,079.46 mi (1,737.22 km) |
| Cascais to Cremona | 1,090.72 mi (1,755.34 km) |
| Cascais to Crevalcore | 1,135.49 mi (1,827.40 km) |
| Cascais to Crispiano | 1,418.37 mi (2,282.65 km) |
| Cascais to Crosia | 1,399.60 mi (2,252.44 km) |
| Cascais to Crotone | 1,422.06 mi (2,288.58 km) |
| Cascais to Cuneo | 958.89 mi (1,543.18 km) |
| Cascais to Cuorgne | 987.38 mi (1,589.03 km) |
| Cascais to Cusano Milanino | 1,060.74 mi (1,707.10 km) |
| Cascais to Cutro | 1,415.37 mi (2,277.82 km) |
