| Reading to Montalegre | 739.13 mi (1,189.51 km) |
| Reading to Montemor-o-Novo | 951.58 mi (1,531.42 km) |
| Reading to Montemor-o-Velho | 862.64 mi (1,388.28 km) |
| Reading to Montijo | 962.09 mi (1,548.33 km) |
| Reading to Mortagua | 836.57 mi (1,346.33 km) |
| Reading to Moura | 972.68 mi (1,565.38 km) |
| Reading to Murtosa | 825.62 mi (1,328.70 km) |
| Reading to Nazare | 906.60 mi (1,459.04 km) |
| Reading to Nelas | 823.79 mi (1,325.76 km) |
| Reading to Obidos | 923.90 mi (1,486.87 km) |
| Reading to Odemira | 1,028.64 mi (1,655.43 km) |
| Reading to Odivelas | 960.68 mi (1,546.07 km) |
| Reading to Oeiras | 970.29 mi (1,561.53 km) |
| Reading to Olhao | 1,052.11 mi (1,693.21 km) |
| Reading to Oliveira de Azemeis | 815.55 mi (1,312.50 km) |
