| Waltham to Montalegre | 3,173.31 mi (5,106.95 km) |
| Waltham to Montemor-o-Novo | 3,243.62 mi (5,220.10 km) |
| Waltham to Montemor-o-Velho | 3,176.74 mi (5,112.47 km) |
| Waltham to Montijo | 3,209.38 mi (5,165.00 km) |
| Waltham to Mortagua | 3,190.80 mi (5,135.10 km) |
| Waltham to Moura | 3,296.60 mi (5,305.37 km) |
| Waltham to Murtosa | 3,163.20 mi (5,090.68 km) |
| Waltham to Nazare | 3,174.45 mi (5,108.79 km) |
| Waltham to Nelas | 3,206.81 mi (5,160.86 km) |
| Waltham to Obidos | 3,177.03 mi (5,112.94 km) |
| Waltham to Odemira | 3,255.73 mi (5,239.59 km) |
| Waltham to Odivelas | 3,192.60 mi (5,137.99 km) |
| Waltham to Oeiras | 3,189.09 mi (5,132.34 km) |
| Waltham to Olhao | 3,311.97 mi (5,330.10 km) |
| Waltham to Oliveira de Azemeis | 3,167.81 mi (5,098.09 km) |
