| Horley to Collegno | 551.66 mi (887.80 km) |
| Horley to Cologno al Serio | 594.47 mi (956.71 km) |
| Horley to Cologno Monzese | 582.64 mi (937.67 km) |
| Horley to Colorno | 649.69 mi (1,045.57 km) |
| Horley to Comacchio | 724.46 mi (1,165.90 km) |
| Horley to Comiso | 1,221.38 mi (1,965.62 km) |
| Horley to Como | 562.32 mi (904.96 km) |
| Horley to Concordia Sagittaria | 702.35 mi (1,130.33 km) |
| Horley to Concorezzo | 581.61 mi (936.01 km) |
| Horley to Conegliano | 676.11 mi (1,088.10 km) |
| Horley to Conselice | 720.58 mi (1,159.66 km) |
| Horley to Conselve | 688.39 mi (1,107.85 km) |
| Horley to Conversano | 1,083.41 mi (1,743.58 km) |
| Horley to Copertino | 1,152.18 mi (1,854.26 km) |
| Horley to Copparo | 702.47 mi (1,130.52 km) |
