| Mountain Ash to Collegno | 677.51 mi (1,090.34 km) |
| Mountain Ash to Cologno al Serio | 729.18 mi (1,173.50 km) |
| Mountain Ash to Cologno Monzese | 716.11 mi (1,152.47 km) |
| Mountain Ash to Colorno | 783.66 mi (1,261.18 km) |
| Mountain Ash to Comacchio | 861.25 mi (1,386.04 km) |
| Mountain Ash to Comiso | 1,343.87 mi (2,162.74 km) |
| Mountain Ash to Como | 696.41 mi (1,120.76 km) |
| Mountain Ash to Concordia Sagittaria | 842.47 mi (1,355.82 km) |
| Mountain Ash to Concorezzo | 715.47 mi (1,151.43 km) |
| Mountain Ash to Conegliano | 815.91 mi (1,313.08 km) |
| Mountain Ash to Conselice | 856.25 mi (1,378.00 km) |
| Mountain Ash to Conselve | 826.08 mi (1,329.45 km) |
| Mountain Ash to Conversano | 1,219.48 mi (1,962.56 km) |
| Mountain Ash to Copertino | 1,288.29 mi (2,073.30 km) |
| Mountain Ash to Copparo | 839.22 mi (1,350.59 km) |
