| Somma Vesuviana to Montemor-o-Novo | 1,209.53 mi (1,946.54 km) |
| Somma Vesuviana to Montemor-o-Velho | 1,211.81 mi (1,950.21 km) |
| Somma Vesuviana to Montijo | 1,244.65 mi (2,003.07 km) |
| Somma Vesuviana to Mortagua | 1,185.41 mi (1,907.74 km) |
| Somma Vesuviana to Moura | 1,178.89 mi (1,897.24 km) |
| Somma Vesuviana to Murtosa | 1,203.12 mi (1,936.24 km) |
| Somma Vesuviana to Nazare | 1,239.08 mi (1,994.11 km) |
| Somma Vesuviana to Nelas | 1,164.63 mi (1,874.29 km) |
| Somma Vesuviana to Obidos | 1,247.31 mi (2,007.36 km) |
| Somma Vesuviana to Odemira | 1,251.70 mi (2,014.41 km) |
| Somma Vesuviana to Odivelas | 1,257.44 mi (2,023.66 km) |
| Somma Vesuviana to Oeiras | 1,266.42 mi (2,038.11 km) |
| Somma Vesuviana to Olhao | 1,222.64 mi (1,967.66 km) |
| Somma Vesuviana to Oliveira de Azemeis | 1,193.91 mi (1,921.41 km) |
| Somma Vesuviana to Oliveira de Frades | 1,179.95 mi (1,898.94 km) |
