| Horley to Arcos de Valdevez | 753.28 mi (1,212.29 km) |
| Horley to Arcozelo | 807.02 mi (1,298.77 km) |
| Horley to Arganil | 846.03 mi (1,361.55 km) |
| Horley to Arouca | 805.37 mi (1,296.12 km) |
| Horley to Arruda dos Vinhos | 945.91 mi (1,522.29 km) |
| Horley to Aveiro | 833.33 mi (1,341.11 km) |
| Horley to Aver-o-Mar | 788.83 mi (1,269.50 km) |
| Horley to Aves | 775.33 mi (1,247.78 km) |
| Horley to Azambuja | 936.27 mi (1,506.78 km) |
| Horley to Baiao | 786.08 mi (1,265.08 km) |
| Horley to Barcelos | 778.24 mi (1,252.45 km) |
| Horley to Barreiro | 965.90 mi (1,554.47 km) |
| Horley to Batalha | 898.07 mi (1,445.31 km) |
| Horley to Beja | 982.68 mi (1,581.47 km) |
| Horley to Belas | 963.53 mi (1,550.65 km) |
