| Williamsport to Montalegre | 3,478.52 mi (5,598.14 km) |
| Williamsport to Montemor-o-Novo | 3,551.33 mi (5,715.31 km) |
| Williamsport to Montemor-o-Velho | 3,483.63 mi (5,606.36 km) |
| Williamsport to Montijo | 3,517.21 mi (5,660.40 km) |
| Williamsport to Mortagua | 3,497.37 mi (5,628.48 km) |
| Williamsport to Moura | 3,604.42 mi (5,800.76 km) |
| Williamsport to Murtosa | 3,469.64 mi (5,583.85 km) |
| Williamsport to Nazare | 3,481.80 mi (5,603.42 km) |
| Williamsport to Nelas | 3,513.21 mi (5,653.97 km) |
| Williamsport to Obidos | 3,484.55 mi (5,607.84 km) |
| Williamsport to Odemira | 3,563.97 mi (5,735.66 km) |
| Williamsport to Odivelas | 3,500.42 mi (5,633.38 km) |
| Williamsport to Oeiras | 3,496.99 mi (5,627.86 km) |
| Williamsport to Olhao | 3,620.29 mi (5,826.29 km) |
| Williamsport to Oliveira de Azemeis | 3,474.12 mi (5,591.05 km) |
