| Santa Maria a Monte to Montemor-o-Novo | 1,040.20 mi (1,674.04 km) |
| Santa Maria a Monte to Montemor-o-Velho | 1,022.35 mi (1,645.31 km) |
| Santa Maria a Monte to Montijo | 1,072.52 mi (1,726.05 km) |
| Santa Maria a Monte to Mortagua | 993.81 mi (1,599.38 km) |
| Santa Maria a Monte to Moura | 1,019.20 mi (1,640.25 km) |
| Santa Maria a Monte to Murtosa | 1,007.03 mi (1,620.65 km) |
| Santa Maria a Monte to Nazare | 1,055.40 mi (1,698.50 km) |
| Santa Maria a Monte to Nelas | 972.89 mi (1,565.71 km) |
| Santa Maria a Monte to Obidos | 1,066.25 mi (1,715.97 km) |
| Santa Maria a Monte to Odemira | 1,094.06 mi (1,760.71 km) |
| Santa Maria a Monte to Odivelas | 1,083.09 mi (1,743.06 km) |
| Santa Maria a Monte to Oeiras | 1,092.89 mi (1,758.84 km) |
| Santa Maria a Monte to Olhao | 1,075.55 mi (1,730.94 km) |
| Santa Maria a Monte to Oliveira de Azemeis | 996.87 mi (1,604.32 km) |
| Santa Maria a Monte to Oliveira de Frades | 985.00 mi (1,585.21 km) |
