| Horley to Castrovillari | 1,110.79 mi (1,787.65 km) |
| Horley to Catania | 1,203.90 mi (1,937.49 km) |
| Horley to Catanzaro | 1,173.48 mi (1,888.54 km) |
| Horley to Cattolica | 779.02 mi (1,253.71 km) |
| Horley to Cava de' Tirreni | 1,013.37 mi (1,630.86 km) |
| Horley to Cavallino | 1,155.08 mi (1,858.92 km) |
| Horley to Cavarzere | 700.66 mi (1,127.60 km) |
| Horley to Cave | 895.50 mi (1,441.17 km) |
| Horley to Cavriago | 666.35 mi (1,072.39 km) |
| Horley to Cavriglia | 758.34 mi (1,220.44 km) |
| Horley to Cazzago San Martino | 605.94 mi (975.17 km) |
| Horley to Ceccano | 921.95 mi (1,483.73 km) |
| Horley to Cecina | 737.50 mi (1,186.89 km) |
| Horley to Cefalu | 1,141.01 mi (1,836.28 km) |
| Horley to Ceglie Messapico | 1,113.08 mi (1,791.34 km) |
