| Barnstaple to Montalegre | 663.57 mi (1,067.92 km) |
| Barnstaple to Montemor-o-Novo | 882.25 mi (1,419.85 km) |
| Barnstaple to Montemor-o-Velho | 786.03 mi (1,264.99 km) |
| Barnstaple to Montijo | 888.20 mi (1,429.42 km) |
| Barnstaple to Mortagua | 762.31 mi (1,226.81 km) |
| Barnstaple to Moura | 909.68 mi (1,463.99 km) |
| Barnstaple to Murtosa | 747.56 mi (1,203.08 km) |
| Barnstaple to Nazare | 829.13 mi (1,334.35 km) |
| Barnstaple to Nelas | 752.07 mi (1,210.35 km) |
| Barnstaple to Obidos | 846.53 mi (1,362.36 km) |
| Barnstaple to Odemira | 959.05 mi (1,543.44 km) |
| Barnstaple to Odivelas | 884.74 mi (1,423.84 km) |
| Barnstaple to Oeiras | 893.77 mi (1,438.38 km) |
| Barnstaple to Olhao | 988.68 mi (1,591.12 km) |
| Barnstaple to Oliveira de Azemeis | 738.26 mi (1,188.12 km) |
