| Irig to Montalegre | 1,397.57 mi (2,249.18 km) |
| Irig to Montemor-o-Novo | 1,502.44 mi (2,417.94 km) |
| Irig to Montemor-o-Velho | 1,481.60 mi (2,384.40 km) |
| Irig to Montijo | 1,534.50 mi (2,469.54 km) |
| Irig to Mortagua | 1,452.65 mi (2,337.81 km) |
| Irig to Moura | 1,481.64 mi (2,384.48 km) |
| Irig to Murtosa | 1,464.45 mi (2,356.81 km) |
| Irig to Nazare | 1,515.79 mi (2,439.43 km) |
| Irig to Nelas | 1,431.81 mi (2,304.28 km) |
| Irig to Obidos | 1,527.09 mi (2,457.61 km) |
| Irig to Odemira | 1,556.48 mi (2,504.92 km) |
| Irig to Odivelas | 1,544.83 mi (2,486.16 km) |
| Irig to Oeiras | 1,554.70 mi (2,502.04 km) |
| Irig to Olhao | 1,537.30 mi (2,474.04 km) |
| Irig to Oliveira de Azemeis | 1,454.06 mi (2,340.09 km) |
