| Horley to Acqui Terme | 600.53 mi (966.47 km) |
| Horley to Acri | 1,133.89 mi (1,824.82 km) |
| Horley to Adelfia | 1,072.77 mi (1,726.46 km) |
| Horley to Adrano | 1,186.54 mi (1,909.55 km) |
| Horley to Adria | 703.45 mi (1,132.09 km) |
| Horley to Afragola | 989.07 mi (1,591.76 km) |
| Horley to Agliana | 722.51 mi (1,162.77 km) |
| Horley to Agrate Brianza | 582.40 mi (937.29 km) |
| Horley to Agrigento | 1,170.65 mi (1,883.98 km) |
| Horley to Agropoli | 1,041.51 mi (1,676.15 km) |
| Horley to Ala | 633.28 mi (1,019.17 km) |
| Horley to Alassio | 629.01 mi (1,012.29 km) |
| Horley to Alatri | 913.79 mi (1,470.61 km) |
| Horley to Alba | 586.08 mi (943.20 km) |
| Horley to Albano Laziale | 891.34 mi (1,434.48 km) |
