| Horndean to Montalegre | 706.01 mi (1,136.22 km) |
| Horndean to Montemor-o-Novo | 917.27 mi (1,476.21 km) |
| Horndean to Montemor-o-Velho | 829.44 mi (1,334.86 km) |
| Horndean to Montijo | 928.37 mi (1,494.06 km) |
| Horndean to Mortagua | 803.08 mi (1,292.43 km) |
| Horndean to Moura | 937.62 mi (1,508.95 km) |
| Horndean to Murtosa | 792.71 mi (1,275.74 km) |
| Horndean to Nazare | 873.48 mi (1,405.72 km) |
| Horndean to Nelas | 789.97 mi (1,271.33 km) |
| Horndean to Obidos | 890.73 mi (1,433.49 km) |
| Horndean to Odemira | 994.28 mi (1,600.14 km) |
| Horndean to Odivelas | 927.25 mi (1,492.27 km) |
| Horndean to Oeiras | 936.93 mi (1,507.85 km) |
| Horndean to Olhao | 1,017.03 mi (1,636.75 km) |
| Horndean to Oliveira de Azemeis | 782.54 mi (1,259.38 km) |
