| Twin Rivers to Montalegre | 3,386.39 mi (5,449.87 km) |
| Twin Rivers to Montemor-o-Novo | 3,451.33 mi (5,554.38 km) |
| Twin Rivers to Montemor-o-Velho | 3,386.77 mi (5,450.48 km) |
| Twin Rivers to Montijo | 3,416.72 mi (5,498.68 km) |
| Twin Rivers to Mortagua | 3,401.51 mi (5,474.21 km) |
| Twin Rivers to Moura | 3,503.91 mi (5,639.00 km) |
| Twin Rivers to Murtosa | 3,374.18 mi (5,430.22 km) |
| Twin Rivers to Nazare | 3,383.30 mi (5,444.89 km) |
| Twin Rivers to Nelas | 3,417.86 mi (5,500.51 km) |
| Twin Rivers to Obidos | 3,385.41 mi (5,448.28 km) |
| Twin Rivers to Odemira | 3,461.25 mi (5,570.34 km) |
| Twin Rivers to Odivelas | 3,399.95 mi (5,471.68 km) |
| Twin Rivers to Oeiras | 3,396.16 mi (5,465.59 km) |
| Twin Rivers to Olhao | 3,517.03 mi (5,660.11 km) |
| Twin Rivers to Oliveira de Azemeis | 3,379.04 mi (5,438.04 km) |
