| Horley to Ascoli Piceno | 863.91 mi (1,390.33 km) |
| Horley to Asola | 637.07 mi (1,025.27 km) |
| Horley to Asolo | 665.29 mi (1,070.68 km) |
| Horley to Assemini | 933.30 mi (1,502.01 km) |
| Horley to Assisi | 819.19 mi (1,318.36 km) |
| Horley to Asti | 580.44 mi (934.12 km) |
| Horley to Atessa | 933.62 mi (1,502.51 km) |
| Horley to Atri | 891.25 mi (1,434.33 km) |
| Horley to Atripalda | 1,006.08 mi (1,619.13 km) |
| Horley to Augusta | 1,222.15 mi (1,966.85 km) |
| Horley to Aulla | 672.16 mi (1,081.74 km) |
| Horley to Aurisina | 738.73 mi (1,188.87 km) |
| Horley to Avellino | 1,004.84 mi (1,617.14 km) |
| Horley to Aversa | 982.54 mi (1,581.25 km) |
| Horley to Avezzano | 900.41 mi (1,449.07 km) |
