| Harborne to Montalegre | 783.90 mi (1,261.56 km) |
| Harborne to Montemor-o-Novo | 1,000.25 mi (1,609.74 km) |
| Harborne to Montemor-o-Velho | 907.16 mi (1,459.94 km) |
| Harborne to Montijo | 1,008.34 mi (1,622.76 km) |
| Harborne to Mortagua | 882.33 mi (1,419.98 km) |
| Harborne to Moura | 1,024.58 mi (1,648.91 km) |
| Harborne to Murtosa | 869.23 mi (1,398.90 km) |
| Harborne to Nazare | 950.74 mi (1,530.06 km) |
| Harborne to Nelas | 870.90 mi (1,401.57 km) |
| Harborne to Obidos | 968.13 mi (1,558.05 km) |
| Harborne to Odemira | 1,077.31 mi (1,733.77 km) |
| Harborne to Odivelas | 1,005.79 mi (1,618.66 km) |
| Harborne to Oeiras | 1,015.09 mi (1,633.62 km) |
| Harborne to Olhao | 1,103.96 mi (1,776.64 km) |
| Harborne to Oliveira de Azemeis | 859.58 mi (1,383.36 km) |
