| Barth to Montemor-o-Novo | 1,461.95 mi (2,352.79 km) |
| Barth to Montemor-o-Velho | 1,392.72 mi (2,241.37 km) |
| Barth to Montijo | 1,481.53 mi (2,384.30 km) |
| Barth to Mortagua | 1,363.60 mi (2,194.50 km) |
| Barth to Moura | 1,467.92 mi (2,362.38 km) |
| Barth to Murtosa | 1,360.47 mi (2,189.46 km) |
| Barth to Nazare | 1,436.12 mi (2,311.21 km) |
| Barth to Nelas | 1,346.66 mi (2,167.24 km) |
| Barth to Obidos | 1,452.35 mi (2,337.33 km) |
| Barth to Odemira | 1,535.46 mi (2,471.08 km) |
| Barth to Odivelas | 1,484.46 mi (2,389.01 km) |
| Barth to Oeiras | 1,494.79 mi (2,405.64 km) |
| Barth to Olhao | 1,543.70 mi (2,484.34 km) |
| Barth to Oliveira de Azemeis | 1,349.52 mi (2,171.85 km) |
| Barth to Oliveira de Frades | 1,346.60 mi (2,167.15 km) |
