| Pen-y-Bont ar Ogwr to Castelfidardo | 969.92 mi (1,560.93 km) |
| Pen-y-Bont ar Ogwr to Castelfiorentino | 868.22 mi (1,397.27 km) |
| Pen-y-Bont ar Ogwr to Castelfranco di Sopra | 888.54 mi (1,429.97 km) |
| Pen-y-Bont ar Ogwr to Castelfranco di Sotto | 855.63 mi (1,377.01 km) |
| Pen-y-Bont ar Ogwr to Castelfranco Emilia | 825.01 mi (1,327.72 km) |
| Pen-y-Bont ar Ogwr to Castelfranco Veneto | 813.39 mi (1,309.03 km) |
| Pen-y-Bont ar Ogwr to Castellabate | 1,175.48 mi (1,891.75 km) |
| Pen-y-Bont ar Ogwr to Castellammare del Golfo | 1,226.91 mi (1,974.52 km) |
| Pen-y-Bont ar Ogwr to Castellammare di Stabia | 1,137.53 mi (1,830.68 km) |
| Pen-y-Bont ar Ogwr to Castellamonte | 667.21 mi (1,073.77 km) |
| Pen-y-Bont ar Ogwr to Castellana Grotte | 1,227.01 mi (1,974.69 km) |
| Pen-y-Bont ar Ogwr to Castellaneta | 1,230.26 mi (1,979.92 km) |
| Pen-y-Bont ar Ogwr to Castellanza | 699.36 mi (1,125.52 km) |
| Pen-y-Bont ar Ogwr to Castellarano | 816.32 mi (1,313.74 km) |
| Pen-y-Bont ar Ogwr to Castelleone | 745.58 mi (1,199.89 km) |
