| Srbobran to Montalegre | 1,394.39 mi (2,244.05 km) |
| Srbobran to Montemor-o-Novo | 1,503.35 mi (2,419.40 km) |
| Srbobran to Montemor-o-Velho | 1,480.32 mi (2,382.35 km) |
| Srbobran to Montijo | 1,535.03 mi (2,470.39 km) |
| Srbobran to Mortagua | 1,451.21 mi (2,335.50 km) |
| Srbobran to Moura | 1,483.60 mi (2,387.62 km) |
| Srbobran to Murtosa | 1,462.45 mi (2,353.58 km) |
| Srbobran to Nazare | 1,515.08 mi (2,438.29 km) |
| Srbobran to Nelas | 1,430.43 mi (2,302.06 km) |
| Srbobran to Obidos | 1,526.65 mi (2,456.90 km) |
| Srbobran to Odemira | 1,558.49 mi (2,508.14 km) |
| Srbobran to Odivelas | 1,545.09 mi (2,486.58 km) |
| Srbobran to Oeiras | 1,555.02 mi (2,502.57 km) |
| Srbobran to Olhao | 1,540.40 mi (2,479.03 km) |
| Srbobran to Oliveira de Azemeis | 1,451.97 mi (2,336.73 km) |
