| Szigetszentmiklos to Montemor-o-Novo | 1,493.09 mi (2,402.90 km) |
| Szigetszentmiklos to Montemor-o-Velho | 1,460.80 mi (2,350.93 km) |
| Szigetszentmiklos to Montijo | 1,522.99 mi (2,451.02 km) |
| Szigetszentmiklos to Mortagua | 1,431.14 mi (2,303.20 km) |
| Szigetszentmiklos to Moura | 1,477.98 mi (2,378.58 km) |
| Szigetszentmiklos to Murtosa | 1,439.86 mi (2,317.23 km) |
| Szigetszentmiklos to Nazare | 1,497.82 mi (2,410.52 km) |
| Szigetszentmiklos to Nelas | 1,410.69 mi (2,270.29 km) |
| Szigetszentmiklos to Obidos | 1,510.48 mi (2,430.88 km) |
| Szigetszentmiklos to Odemira | 1,552.72 mi (2,498.86 km) |
| Szigetszentmiklos to Odivelas | 1,531.85 mi (2,465.28 km) |
| Szigetszentmiklos to Oeiras | 1,542.03 mi (2,481.65 km) |
| Szigetszentmiklos to Olhao | 1,539.45 mi (2,477.50 km) |
| Szigetszentmiklos to Oliveira de Azemeis | 1,429.10 mi (2,299.92 km) |
| Szigetszentmiklos to Oliveira de Frades | 1,419.56 mi (2,284.56 km) |
