| Marsa to Montemor-o-Novo | 1,260.04 mi (2,027.84 km) |
| Marsa to Montemor-o-Velho | 1,291.75 mi (2,078.88 km) |
| Marsa to Montijo | 1,296.95 mi (2,087.24 km) |
| Marsa to Mortagua | 1,270.25 mi (2,044.27 km) |
| Marsa to Moura | 1,217.83 mi (1,959.91 km) |
| Marsa to Murtosa | 1,293.69 mi (2,082.00 km) |
| Marsa to Nazare | 1,308.71 mi (2,106.17 km) |
| Marsa to Nelas | 1,251.00 mi (2,013.29 km) |
| Marsa to Obidos | 1,312.55 mi (2,112.35 km) |
| Marsa to Odemira | 1,282.80 mi (2,064.46 km) |
| Marsa to Odivelas | 1,312.19 mi (2,111.77 km) |
| Marsa to Oeiras | 1,319.42 mi (2,123.40 km) |
| Marsa to Olhao | 1,240.94 mi (1,997.09 km) |
| Marsa to Oliveira de Azemeis | 1,286.48 mi (2,070.40 km) |
| Marsa to Oliveira de Frades | 1,270.19 mi (2,044.17 km) |
