| Ermelo to Montemor-o-Novo | 1,152.75 mi (1,855.17 km) |
| Ermelo to Montemor-o-Velho | 1,077.57 mi (1,734.18 km) |
| Ermelo to Montijo | 1,169.87 mi (1,882.72 km) |
| Ermelo to Mortagua | 1,049.03 mi (1,688.24 km) |
| Ermelo to Moura | 1,163.32 mi (1,872.18 km) |
| Ermelo to Murtosa | 1,043.90 mi (1,679.99 km) |
| Ermelo to Nazare | 1,121.40 mi (1,804.73 km) |
| Ermelo to Nelas | 1,033.04 mi (1,662.52 km) |
| Ermelo to Obidos | 1,138.02 mi (1,831.47 km) |
| Ermelo to Odemira | 1,227.88 mi (1,976.07 km) |
| Ermelo to Odivelas | 1,171.61 mi (1,885.52 km) |
| Ermelo to Oeiras | 1,181.81 mi (1,901.93 km) |
| Ermelo to Olhao | 1,240.92 mi (1,997.07 km) |
| Ermelo to Oliveira de Azemeis | 1,033.10 mi (1,662.61 km) |
| Ermelo to Oliveira de Frades | 1,031.36 mi (1,659.82 km) |
