| Pittsfield to Montalegre | 3,266.91 mi (5,257.59 km) |
| Pittsfield to Montemor-o-Novo | 3,340.07 mi (5,375.33 km) |
| Pittsfield to Montemor-o-Velho | 3,272.11 mi (5,265.95 km) |
| Pittsfield to Montijo | 3,306.01 mi (5,320.51 km) |
| Pittsfield to Mortagua | 3,285.81 mi (5,287.99 km) |
| Pittsfield to Moura | 3,393.22 mi (5,460.86 km) |
| Pittsfield to Murtosa | 3,258.06 mi (5,243.34 km) |
| Pittsfield to Nazare | 3,270.40 mi (5,263.21 km) |
| Pittsfield to Nelas | 3,301.62 mi (5,313.45 km) |
| Pittsfield to Obidos | 3,273.21 mi (5,267.72 km) |
| Pittsfield to Odemira | 3,353.09 mi (5,396.28 km) |
| Pittsfield to Odivelas | 3,289.22 mi (5,293.49 km) |
| Pittsfield to Oeiras | 3,285.84 mi (5,288.04 km) |
| Pittsfield to Olhao | 3,409.49 mi (5,487.05 km) |
| Pittsfield to Oliveira de Azemeis | 3,262.52 mi (5,250.52 km) |
