| Seymour to Montalegre | 3,966.33 mi (6,383.19 km) |
| Seymour to Montemor-o-Novo | 4,043.06 mi (6,506.68 km) |
| Seymour to Montemor-o-Velho | 3,974.03 mi (6,395.58 km) |
| Seymour to Montijo | 4,009.14 mi (6,452.08 km) |
| Seymour to Mortagua | 3,987.27 mi (6,416.90 km) |
| Seymour to Moura | 4,096.33 mi (6,592.41 km) |
| Seymour to Murtosa | 3,959.35 mi (6,371.96 km) |
| Seymour to Nazare | 3,972.96 mi (6,393.85 km) |
| Seymour to Nelas | 4,002.84 mi (6,441.95 km) |
| Seymour to Obidos | 3,975.97 mi (6,398.70 km) |
| Seymour to Odemira | 4,056.63 mi (6,528.51 km) |
| Seymour to Odivelas | 3,992.35 mi (6,425.06 km) |
| Seymour to Oeiras | 3,989.04 mi (6,419.75 km) |
| Seymour to Olhao | 4,113.08 mi (6,619.37 km) |
| Seymour to Oliveira de Azemeis | 3,963.62 mi (6,378.83 km) |
