| West Columbia to Montalegre | 3,911.30 mi (6,294.63 km) |
| West Columbia to Montemor-o-Novo | 3,960.96 mi (6,374.56 km) |
| West Columbia to Montemor-o-Velho | 3,903.05 mi (6,281.35 km) |
| West Columbia to Montijo | 3,925.46 mi (6,317.42 km) |
| West Columbia to Mortagua | 3,919.64 mi (6,308.06 km) |
| West Columbia to Moura | 4,012.21 mi (6,457.03 km) |
| West Columbia to Murtosa | 3,893.18 mi (6,265.46 km) |
| West Columbia to Nazare | 3,896.32 mi (6,270.52 km) |
| West Columbia to Nelas | 3,936.88 mi (6,335.79 km) |
| West Columbia to Obidos | 3,897.11 mi (6,271.79 km) |
| West Columbia to Odemira | 3,964.84 mi (6,380.79 km) |
| West Columbia to Odivelas | 3,908.79 mi (6,290.59 km) |
| West Columbia to Oeiras | 3,904.25 mi (6,283.28 km) |
| West Columbia to Olhao | 4,019.12 mi (6,468.14 km) |
| West Columbia to Oliveira de Azemeis | 3,898.73 mi (6,274.40 km) |
