| Horley to Montalegre | 739.86 mi (1,190.70 km) |
| Horley to Montemor-o-Novo | 949.29 mi (1,527.73 km) |
| Horley to Montemor-o-Velho | 863.11 mi (1,389.04 km) |
| Horley to Montijo | 961.27 mi (1,547.01 km) |
| Horley to Mortagua | 836.37 mi (1,346.01 km) |
| Horley to Moura | 968.27 mi (1,558.28 km) |
| Horley to Murtosa | 826.75 mi (1,330.52 km) |
| Horley to Nazare | 907.20 mi (1,459.99 km) |
| Horley to Nelas | 822.81 mi (1,324.18 km) |
| Horley to Obidos | 924.39 mi (1,487.67 km) |
| Horley to Odemira | 1,026.17 mi (1,651.46 km) |
| Horley to Odivelas | 960.56 mi (1,545.87 km) |
| Horley to Oeiras | 970.33 mi (1,561.59 km) |
| Horley to Olhao | 1,047.59 mi (1,685.93 km) |
| Horley to Oliveira de Azemeis | 816.47 mi (1,313.98 km) |
