| Monistrol-sur-Loire to Montemor-o-Novo | 783.19 mi (1,260.43 km) |
| Monistrol-sur-Loire to Montemor-o-Velho | 741.15 mi (1,192.76 km) |
| Monistrol-sur-Loire to Montijo | 810.33 mi (1,304.10 km) |
| Monistrol-sur-Loire to Mortagua | 711.25 mi (1,144.65 km) |
| Monistrol-sur-Loire to Moura | 775.81 mi (1,248.55 km) |
| Monistrol-sur-Loire to Murtosa | 718.44 mi (1,156.22 km) |
| Monistrol-sur-Loire to Nazare | 779.78 mi (1,254.93 km) |
| Monistrol-sur-Loire to Nelas | 691.15 mi (1,112.30 km) |
| Monistrol-sur-Loire to Obidos | 793.35 mi (1,276.77 km) |
| Monistrol-sur-Loire to Odemira | 848.91 mi (1,366.19 km) |
| Monistrol-sur-Loire to Odivelas | 817.64 mi (1,315.87 km) |
| Monistrol-sur-Loire to Oeiras | 828.01 mi (1,332.55 km) |
| Monistrol-sur-Loire to Olhao | 844.92 mi (1,359.77 km) |
| Monistrol-sur-Loire to Oliveira de Azemeis | 707.58 mi (1,138.74 km) |
| Monistrol-sur-Loire to Oliveira de Frades | 698.75 mi (1,124.53 km) |
