| Mountain Ash to Cortona | 919.99 mi (1,480.59 km) |
| Mountain Ash to Cosenza | 1,271.54 mi (2,046.34 km) |
| Mountain Ash to Cossato | 674.34 mi (1,085.24 km) |
| Mountain Ash to Costa Volpino | 733.33 mi (1,180.18 km) |
| Mountain Ash to Creazzo | 798.68 mi (1,285.35 km) |
| Mountain Ash to Crema | 738.27 mi (1,188.14 km) |
| Mountain Ash to Cremona | 761.70 mi (1,225.84 km) |
| Mountain Ash to Crevalcore | 821.79 mi (1,322.54 km) |
| Mountain Ash to Crispiano | 1,241.62 mi (1,998.19 km) |
| Mountain Ash to Crosia | 1,276.19 mi (2,053.84 km) |
| Mountain Ash to Crotone | 1,313.52 mi (2,113.91 km) |
| Mountain Ash to Cuneo | 712.18 mi (1,146.15 km) |
| Mountain Ash to Cuorgne | 664.75 mi (1,069.82 km) |
| Mountain Ash to Cusano Milanino | 711.67 mi (1,145.33 km) |
| Mountain Ash to Cutro | 1,311.34 mi (2,110.40 km) |
