| Colwyn Bay to Casamassima | 1,282.48 mi (2,063.95 km) |
| Colwyn Bay to Casandrino | 1,194.08 mi (1,921.69 km) |
| Colwyn Bay to Casapulla | 1,187.95 mi (1,911.82 km) |
| Colwyn Bay to Casarano | 1,374.26 mi (2,211.65 km) |
| Colwyn Bay to Casatenovo | 782.77 mi (1,259.74 km) |
| Colwyn Bay to Casciana Terme | 938.06 mi (1,509.67 km) |
| Colwyn Bay to Cascina | 927.56 mi (1,492.77 km) |
| Colwyn Bay to Caselle Torinese | 757.32 mi (1,218.79 km) |
| Colwyn Bay to Caserta | 1,189.58 mi (1,914.44 km) |
| Colwyn Bay to Casier | 888.20 mi (1,429.43 km) |
| Colwyn Bay to Casorate Primo | 792.64 mi (1,275.63 km) |
| Colwyn Bay to Casoria | 1,197.51 mi (1,927.20 km) |
| Colwyn Bay to Cassano al Ionio | 1,323.97 mi (2,130.73 km) |
| Colwyn Bay to Cassano d'Adda | 797.86 mi (1,284.03 km) |
| Colwyn Bay to Cassano delle Murge | 1,280.78 mi (2,061.21 km) |
