| Colwyn Bay to Cortona | 995.45 mi (1,602.02 km) |
| Colwyn Bay to Cosenza | 1,348.06 mi (2,169.49 km) |
| Colwyn Bay to Cossato | 752.56 mi (1,211.14 km) |
| Colwyn Bay to Costa Volpino | 802.66 mi (1,291.75 km) |
| Colwyn Bay to Creazzo | 864.81 mi (1,391.78 km) |
| Colwyn Bay to Crema | 811.79 mi (1,306.44 km) |
| Colwyn Bay to Cremona | 835.18 mi (1,344.10 km) |
| Colwyn Bay to Crevalcore | 893.47 mi (1,437.91 km) |
| Colwyn Bay to Crispiano | 1,311.58 mi (2,110.79 km) |
| Colwyn Bay to Crosia | 1,350.60 mi (2,173.58 km) |
| Colwyn Bay to Crotone | 1,388.39 mi (2,234.40 km) |
| Colwyn Bay to Cuneo | 798.37 mi (1,284.85 km) |
| Colwyn Bay to Cuorgne | 745.96 mi (1,200.50 km) |
| Colwyn Bay to Cusano Milanino | 786.05 mi (1,265.03 km) |
| Colwyn Bay to Cutro | 1,386.70 mi (2,231.67 km) |
