| Leer to Montemor-o-Novo | 1,251.81 mi (2,014.60 km) |
| Leer to Montemor-o-Velho | 1,177.39 mi (1,894.83 km) |
| Leer to Montijo | 1,269.30 mi (2,042.74 km) |
| Leer to Mortagua | 1,148.78 mi (1,848.78 km) |
| Leer to Moura | 1,261.62 mi (2,030.38 km) |
| Leer to Murtosa | 1,143.85 mi (1,840.85 km) |
| Leer to Nazare | 1,221.19 mi (1,965.32 km) |
| Leer to Nelas | 1,132.68 mi (1,822.87 km) |
| Leer to Obidos | 1,237.77 mi (1,992.00 km) |
| Leer to Odemira | 1,326.71 mi (2,135.14 km) |
| Leer to Odivelas | 1,271.19 mi (2,045.78 km) |
| Leer to Oeiras | 1,281.41 mi (2,062.23 km) |
| Leer to Olhao | 1,338.94 mi (2,154.81 km) |
| Leer to Oliveira de Azemeis | 1,133.04 mi (1,823.44 km) |
| Leer to Oliveira de Frades | 1,131.18 mi (1,820.47 km) |
