| Cascais to Collegno | 976.01 mi (1,570.73 km) |
| Cascais to Cologno al Serio | 1,085.06 mi (1,746.24 km) |
| Cascais to Cologno Monzese | 1,064.57 mi (1,713.26 km) |
| Cascais to Colorno | 1,103.14 mi (1,775.33 km) |
| Cascais to Comacchio | 1,184.54 mi (1,906.33 km) |
| Cascais to Comiso | 1,312.53 mi (2,112.31 km) |
| Cascais to Como | 1,062.63 mi (1,710.13 km) |
| Cascais to Concordia Sagittaria | 1,234.03 mi (1,985.98 km) |
| Cascais to Concorezzo | 1,068.62 mi (1,719.77 km) |
| Cascais to Conegliano | 1,210.72 mi (1,948.47 km) |
| Cascais to Conselice | 1,164.93 mi (1,874.78 km) |
| Cascais to Conselve | 1,178.42 mi (1,896.48 km) |
| Cascais to Conversano | 1,411.01 mi (2,270.80 km) |
| Cascais to Copertino | 1,462.84 mi (2,354.22 km) |
| Cascais to Copparo | 1,171.07 mi (1,884.65 km) |
