| Mountain Ash to Castrovillari | 1,243.14 mi (2,000.63 km) |
| Mountain Ash to Catania | 1,328.86 mi (2,138.59 km) |
| Mountain Ash to Catanzaro | 1,304.70 mi (2,099.71 km) |
| Mountain Ash to Cattolica | 914.80 mi (1,472.23 km) |
| Mountain Ash to Cava de' Tirreni | 1,144.75 mi (1,842.30 km) |
| Mountain Ash to Cavallino | 1,291.47 mi (2,078.42 km) |
| Mountain Ash to Cavarzere | 838.43 mi (1,349.32 km) |
| Mountain Ash to Cave | 1,025.84 mi (1,650.93 km) |
| Mountain Ash to Cavriago | 799.88 mi (1,287.28 km) |
| Mountain Ash to Cavriglia | 890.24 mi (1,432.70 km) |
| Mountain Ash to Cazzago San Martino | 741.37 mi (1,193.11 km) |
| Mountain Ash to Ceccano | 1,052.53 mi (1,693.89 km) |
| Mountain Ash to Cecina | 866.16 mi (1,393.95 km) |
| Mountain Ash to Cefalu | 1,264.40 mi (2,034.86 km) |
| Mountain Ash to Ceglie Messapico | 1,249.11 mi (2,010.25 km) |
