| Naugatuck to Montalegre | 3,283.08 mi (5,283.60 km) |
| Naugatuck to Montemor-o-Novo | 3,351.55 mi (5,393.80 km) |
| Naugatuck to Montemor-o-Velho | 3,285.49 mi (5,287.48 km) |
| Naugatuck to Montijo | 3,317.18 mi (5,338.48 km) |
| Naugatuck to Mortagua | 3,299.78 mi (5,310.49 km) |
| Naugatuck to Moura | 3,404.39 mi (5,478.84 km) |
| Naugatuck to Murtosa | 3,272.27 mi (5,266.21 km) |
| Naugatuck to Nazare | 3,282.78 mi (5,283.13 km) |
| Naugatuck to Nelas | 3,315.91 mi (5,336.44 km) |
| Naugatuck to Obidos | 3,285.20 mi (5,287.01 km) |
| Naugatuck to Odemira | 3,362.86 mi (5,412.01 km) |
| Naugatuck to Odivelas | 3,300.39 mi (5,311.47 km) |
| Naugatuck to Oeiras | 3,296.78 mi (5,305.66 km) |
| Naugatuck to Olhao | 3,418.94 mi (5,502.25 km) |
| Naugatuck to Oliveira de Azemeis | 3,276.96 mi (5,273.76 km) |
