| Enns to Montemor-o-Novo | 1,309.19 mi (2,106.94 km) |
| Enns to Montemor-o-Velho | 1,268.28 mi (2,041.11 km) |
| Enns to Montijo | 1,337.09 mi (2,151.84 km) |
| Enns to Mortagua | 1,238.34 mi (1,992.92 km) |
| Enns to Moura | 1,298.98 mi (2,090.51 km) |
| Enns to Murtosa | 1,244.77 mi (2,003.26 km) |
| Enns to Nazare | 1,307.13 mi (2,103.62 km) |
| Enns to Nelas | 1,218.34 mi (1,960.73 km) |
| Enns to Obidos | 1,320.71 mi (2,125.48 km) |
| Enns to Odemira | 1,372.94 mi (2,209.54 km) |
| Enns to Odivelas | 1,344.72 mi (2,164.12 km) |
| Enns to Oeiras | 1,355.06 mi (2,180.75 km) |
| Enns to Olhao | 1,364.96 mi (2,196.69 km) |
| Enns to Oliveira de Azemeis | 1,233.83 mi (1,985.66 km) |
| Enns to Oliveira de Frades | 1,225.49 mi (1,972.24 km) |
