| Fort Thomas to Montalegre | 3,894.70 mi (6,267.91 km) |
| Fort Thomas to Montemor-o-Novo | 3,969.69 mi (6,388.60 km) |
| Fort Thomas to Montemor-o-Velho | 3,901.32 mi (6,278.57 km) |
| Fort Thomas to Montijo | 3,935.65 mi (6,333.82 km) |
| Fort Thomas to Mortagua | 3,914.79 mi (6,300.25 km) |
| Fort Thomas to Moura | 4,022.86 mi (6,474.17 km) |
| Fort Thomas to Murtosa | 3,886.95 mi (6,255.44 km) |
| Fort Thomas to Nazare | 3,899.89 mi (6,276.26 km) |
| Fort Thomas to Nelas | 3,930.48 mi (6,325.49 km) |
| Fort Thomas to Obidos | 3,902.76 mi (6,280.89 km) |
| Fort Thomas to Odemira | 3,982.69 mi (6,409.51 km) |
| Fort Thomas to Odivelas | 3,918.86 mi (6,306.80 km) |
| Fort Thomas to Oeiras | 3,915.48 mi (6,301.36 km) |
| Fort Thomas to Olhao | 4,039.04 mi (6,500.21 km) |
| Fort Thomas to Oliveira de Azemeis | 3,891.31 mi (6,262.46 km) |
