| Olaine to Montemor-o-Novo | 1,919.52 mi (3,089.16 km) |
| Olaine to Montemor-o-Velho | 1,854.89 mi (2,985.16 km) |
| Olaine to Montijo | 1,940.88 mi (3,123.54 km) |
| Olaine to Mortagua | 1,825.44 mi (2,937.77 km) |
| Olaine to Moura | 1,921.89 mi (3,092.99 km) |
| Olaine to Murtosa | 1,823.70 mi (2,934.96 km) |
| Olaine to Nazare | 1,897.86 mi (3,054.30 km) |
| Olaine to Nelas | 1,807.90 mi (2,909.53 km) |
| Olaine to Obidos | 1,913.76 mi (3,079.90 km) |
| Olaine to Odemira | 1,991.44 mi (3,204.91 km) |
| Olaine to Odivelas | 1,944.69 mi (3,129.68 km) |
| Olaine to Oeiras | 1,955.09 mi (3,146.41 km) |
| Olaine to Olhao | 1,995.79 mi (3,211.92 km) |
| Olaine to Oliveira de Azemeis | 1,812.69 mi (2,917.24 km) |
| Olaine to Oliveira de Frades | 1,808.97 mi (2,911.25 km) |
