| Mountain Ash to Castelfidardo | 968.21 mi (1,558.18 km) |
| Mountain Ash to Castelfiorentino | 867.83 mi (1,396.63 km) |
| Mountain Ash to Castelfranco di Sopra | 887.77 mi (1,428.73 km) |
| Mountain Ash to Castelfranco di Sotto | 855.28 mi (1,376.44 km) |
| Mountain Ash to Castelfranco Emilia | 823.67 mi (1,325.57 km) |
| Mountain Ash to Castelfranco Veneto | 810.54 mi (1,304.43 km) |
| Mountain Ash to Castellabate | 1,175.24 mi (1,891.37 km) |
| Mountain Ash to Castellammare del Golfo | 1,228.96 mi (1,977.82 km) |
| Mountain Ash to Castellammare di Stabia | 1,137.28 mi (1,830.27 km) |
| Mountain Ash to Castellamonte | 667.28 mi (1,073.88 km) |
| Mountain Ash to Castellana Grotte | 1,225.37 mi (1,972.04 km) |
| Mountain Ash to Castellaneta | 1,228.88 mi (1,977.69 km) |
| Mountain Ash to Castellanza | 698.33 mi (1,123.85 km) |
| Mountain Ash to Castellarano | 815.17 mi (1,311.89 km) |
| Mountain Ash to Castelleone | 744.33 mi (1,197.89 km) |
