| Monticello to Montalegre | 4,097.57 mi (6,594.40 km) |
| Monticello to Montemor-o-Novo | 4,208.22 mi (6,772.47 km) |
| Monticello to Montemor-o-Velho | 4,126.24 mi (6,640.54 km) |
| Monticello to Montijo | 4,177.21 mi (6,722.57 km) |
| Monticello to Mortagua | 4,134.71 mi (6,654.17 km) |
| Monticello to Moura | 4,262.85 mi (6,860.40 km) |
| Monticello to Murtosa | 4,105.57 mi (6,607.28 km) |
| Monticello to Nazare | 4,132.66 mi (6,650.88 km) |
| Monticello to Nelas | 4,147.66 mi (6,675.02 km) |
| Monticello to Obidos | 4,138.53 mi (6,660.32 km) |
| Monticello to Odemira | 4,234.21 mi (6,814.31 km) |
| Monticello to Odivelas | 4,160.69 mi (6,695.98 km) |
| Monticello to Oeiras | 4,159.10 mi (6,693.42 km) |
| Monticello to Olhao | 4,292.18 mi (6,907.59 km) |
| Monticello to Oliveira de Azemeis | 4,108.03 mi (6,611.24 km) |
