| Colwyn Bay to Castelfidardo | 1,037.94 mi (1,670.41 km) |
| Colwyn Bay to Castelfiorentino | 945.27 mi (1,521.26 km) |
| Colwyn Bay to Castelfranco di Sopra | 963.16 mi (1,550.06 km) |
| Colwyn Bay to Castelfranco di Sotto | 933.03 mi (1,501.57 km) |
| Colwyn Bay to Castelfranco Emilia | 896.29 mi (1,442.43 km) |
| Colwyn Bay to Castelfranco Veneto | 874.36 mi (1,407.14 km) |
| Colwyn Bay to Castellabate | 1,252.41 mi (2,015.56 km) |
| Colwyn Bay to Castellammare del Golfo | 1,317.30 mi (2,119.99 km) |
| Colwyn Bay to Castellammare di Stabia | 1,214.49 mi (1,954.52 km) |
| Colwyn Bay to Castellamonte | 748.27 mi (1,204.23 km) |
| Colwyn Bay to Castellana Grotte | 1,294.57 mi (2,083.41 km) |
| Colwyn Bay to Castellaneta | 1,299.54 mi (2,091.41 km) |
| Colwyn Bay to Castellanza | 773.42 mi (1,244.70 km) |
| Colwyn Bay to Castellarano | 888.87 mi (1,430.49 km) |
| Colwyn Bay to Castelleone | 817.94 mi (1,316.35 km) |
