| Olhao to Montalegre | 331.46 mi (533.43 km) |
| Olhao to Montemor-o-Novo | 114.06 mi (183.57 km) |
| Olhao to Montemor-o-Velho | 221.71 mi (356.81 km) |
| Olhao to Montijo | 128.25 mi (206.41 km) |
| Olhao to Mortagua | 236.37 mi (380.40 km) |
| Olhao to Moura | 79.45 mi (127.86 km) |
| Olhao to Murtosa | 259.67 mi (417.89 km) |
| Olhao to Nazare | 189.85 mi (305.53 km) |
| Olhao to Nelas | 241.18 mi (388.15 km) |
| Olhao to Obidos | 176.28 mi (283.70 km) |
| Olhao to Odemira | 58.13 mi (93.55 km) |
| Olhao to Odivelas | 142.07 mi (228.64 km) |
| Olhao to Oeiras | 139.97 mi (225.26 km) |
| Olhao to Oliveira de Azemeis | 265.71 mi (427.62 km) |
| Olhao to Oliveira de Frades | 255.67 mi (411.45 km) |
