| Amherst to Montalegre | 3,715.49 mi (5,979.50 km) |
| Amherst to Montemor-o-Novo | 3,796.24 mi (6,109.45 km) |
| Amherst to Montemor-o-Velho | 3,725.49 mi (5,995.60 km) |
| Amherst to Montijo | 3,762.64 mi (6,055.38 km) |
| Amherst to Mortagua | 3,738.20 mi (6,016.05 km) |
| Amherst to Moura | 3,849.77 mi (6,195.60 km) |
| Amherst to Murtosa | 3,710.10 mi (5,970.82 km) |
| Amherst to Nazare | 3,725.33 mi (5,995.33 km) |
| Amherst to Nelas | 3,753.49 mi (6,040.66 km) |
| Amherst to Obidos | 3,728.70 mi (6,000.77 km) |
| Amherst to Odemira | 3,811.51 mi (6,134.03 km) |
| Amherst to Odivelas | 3,745.86 mi (6,028.38 km) |
| Amherst to Oeiras | 3,742.78 mi (6,023.42 km) |
| Amherst to Olhao | 3,868.27 mi (6,225.39 km) |
| Amherst to Oliveira de Azemeis | 3,714.17 mi (5,977.38 km) |
