| Colwyn Bay to Collegno | 760.55 mi (1,223.98 km) |
| Colwyn Bay to Cologno al Serio | 801.43 mi (1,289.77 km) |
| Colwyn Bay to Cologno Monzese | 790.25 mi (1,271.79 km) |
| Colwyn Bay to Colorno | 856.93 mi (1,379.09 km) |
| Colwyn Bay to Comacchio | 929.52 mi (1,495.92 km) |
| Colwyn Bay to Comiso | 1,430.17 mi (2,301.64 km) |
| Colwyn Bay to Como | 769.68 mi (1,238.68 km) |
| Colwyn Bay to Concordia Sagittaria | 902.67 mi (1,452.70 km) |
| Colwyn Bay to Concorezzo | 789.04 mi (1,269.84 km) |
| Colwyn Bay to Conegliano | 877.20 mi (1,411.71 km) |
| Colwyn Bay to Conselice | 926.61 mi (1,491.24 km) |
| Colwyn Bay to Conselve | 892.59 mi (1,436.49 km) |
| Colwyn Bay to Conversano | 1,288.53 mi (2,073.69 km) |
| Colwyn Bay to Copertino | 1,357.18 mi (2,184.17 km) |
| Colwyn Bay to Copparo | 907.63 mi (1,460.68 km) |
