| Aberystwyth to Castelfidardo | 1,019.24 mi (1,640.30 km) |
| Aberystwyth to Castelfiorentino | 921.25 mi (1,482.60 km) |
| Aberystwyth to Castelfranco di Sopra | 940.57 mi (1,513.70 km) |
| Aberystwyth to Castelfranco di Sotto | 908.79 mi (1,462.55 km) |
| Aberystwyth to Castelfranco Emilia | 875.51 mi (1,409.00 km) |
| Aberystwyth to Castelfranco Veneto | 859.33 mi (1,382.96 km) |
| Aberystwyth to Castellabate | 1,228.78 mi (1,977.53 km) |
| Aberystwyth to Castellammare del Golfo | 1,285.53 mi (2,068.86 km) |
| Aberystwyth to Castellammare di Stabia | 1,190.81 mi (1,916.42 km) |
| Aberystwyth to Castellamonte | 721.56 mi (1,161.24 km) |
| Aberystwyth to Castellana Grotte | 1,276.40 mi (2,054.17 km) |
| Aberystwyth to Castellaneta | 1,280.39 mi (2,060.59 km) |
| Aberystwyth to Castellanza | 750.82 mi (1,208.33 km) |
| Aberystwyth to Castellarano | 867.36 mi (1,395.88 km) |
| Aberystwyth to Castelleone | 796.41 mi (1,281.69 km) |
