| Bilbao to Montalegre | 266.84 mi (429.44 km) |
| Bilbao to Montemor-o-Novo | 421.25 mi (677.93 km) |
| Bilbao to Montemor-o-Velho | 365.70 mi (588.54 km) |
| Bilbao to Montijo | 443.69 mi (714.05 km) |
| Bilbao to Mortagua | 335.67 mi (540.21 km) |
| Bilbao to Moura | 425.93 mi (685.46 km) |
| Bilbao to Murtosa | 341.01 mi (548.80 km) |
| Bilbao to Nazare | 406.16 mi (653.64 km) |
| Bilbao to Nelas | 316.23 mi (508.92 km) |
| Bilbao to Obidos | 420.81 mi (677.23 km) |
| Bilbao to Odemira | 493.57 mi (794.32 km) |
| Bilbao to Odivelas | 448.74 mi (722.18 km) |
| Bilbao to Oeiras | 459.19 mi (738.99 km) |
| Bilbao to Olhao | 502.57 mi (808.81 km) |
| Bilbao to Oliveira de Azemeis | 330.06 mi (531.19 km) |
