| San Giustino to Montemor-o-Novo | 1,111.46 mi (1,788.73 km) |
| San Giustino to Montemor-o-Velho | 1,095.84 mi (1,763.58 km) |
| San Giustino to Montijo | 1,144.19 mi (1,841.40 km) |
| San Giustino to Mortagua | 1,067.46 mi (1,717.91 km) |
| San Giustino to Moura | 1,089.16 mi (1,752.83 km) |
| San Giustino to Murtosa | 1,081.10 mi (1,739.87 km) |
| San Giustino to Nazare | 1,128.35 mi (1,815.90 km) |
| San Giustino to Nelas | 1,046.52 mi (1,684.21 km) |
| San Giustino to Obidos | 1,138.94 mi (1,832.94 km) |
| San Giustino to Odemira | 1,163.91 mi (1,873.13 km) |
| San Giustino to Odivelas | 1,155.04 mi (1,858.86 km) |
| San Giustino to Oeiras | 1,164.76 mi (1,874.50 km) |
| San Giustino to Olhao | 1,143.87 mi (1,840.88 km) |
| San Giustino to Oliveira de Azemeis | 1,071.02 mi (1,723.64 km) |
| San Giustino to Oliveira de Frades | 1,058.95 mi (1,704.22 km) |
