| Monthey to Montalegre | 792.01 mi (1,274.61 km) |
| Monthey to Montemor-o-Novo | 932.17 mi (1,500.18 km) |
| Monthey to Montemor-o-Velho | 890.26 mi (1,432.73 km) |
| Monthey to Montijo | 959.53 mi (1,544.22 km) |
| Monthey to Mortagua | 860.34 mi (1,384.58 km) |
| Monthey to Moura | 923.83 mi (1,486.76 km) |
| Monthey to Murtosa | 867.12 mi (1,395.50 km) |
| Monthey to Nazare | 929.04 mi (1,495.15 km) |
| Monthey to Nelas | 840.30 mi (1,352.33 km) |
| Monthey to Obidos | 942.65 mi (1,517.05 km) |
| Monthey to Odemira | 997.26 mi (1,604.93 km) |
| Monthey to Odivelas | 966.93 mi (1,556.12 km) |
| Monthey to Oeiras | 977.28 mi (1,572.79 km) |
| Monthey to Olhao | 991.88 mi (1,596.28 km) |
| Monthey to Oliveira de Azemeis | 856.22 mi (1,377.96 km) |
