| Hard to Montemor-o-Novo | 1,086.70 mi (1,748.87 km) |
| Hard to Montemor-o-Velho | 1,042.57 mi (1,677.85 km) |
| Hard to Montijo | 1,113.66 mi (1,792.27 km) |
| Hard to Mortagua | 1,012.58 mi (1,629.59 km) |
| Hard to Moura | 1,078.90 mi (1,736.32 km) |
| Hard to Murtosa | 1,018.36 mi (1,638.90 km) |
| Hard to Nazare | 1,081.94 mi (1,741.22 km) |
| Hard to Nelas | 992.75 mi (1,597.67 km) |
| Hard to Obidos | 1,095.82 mi (1,763.56 km) |
| Hard to Odemira | 1,152.23 mi (1,854.33 km) |
| Hard to Odivelas | 1,120.78 mi (1,803.71 km) |
| Hard to Oeiras | 1,131.16 mi (1,820.42 km) |
| Hard to Olhao | 1,147.05 mi (1,846.00 km) |
| Hard to Oliveira de Azemeis | 1,007.40 mi (1,621.25 km) |
| Hard to Oliveira de Frades | 999.38 mi (1,608.35 km) |
