| Roma to Montalegre | 5,084.51 mi (8,182.72 km) |
| Roma to Montemor-o-Novo | 5,143.39 mi (8,277.48 km) |
| Roma to Montemor-o-Velho | 5,082.11 mi (8,178.86 km) |
| Roma to Montijo | 5,108.23 mi (8,220.91 km) |
| Roma to Mortagua | 5,097.62 mi (8,203.82 km) |
| Roma to Moura | 5,195.23 mi (8,360.91 km) |
| Roma to Murtosa | 5,070.59 mi (8,160.33 km) |
| Roma to Nazare | 5,077.11 mi (8,170.83 km) |
| Roma to Nelas | 5,114.30 mi (8,230.68 km) |
| Roma to Obidos | 5,078.54 mi (8,173.13 km) |
| Roma to Odemira | 5,149.54 mi (8,287.38 km) |
| Roma to Odivelas | 5,091.51 mi (8,193.99 km) |
| Roma to Oeiras | 5,087.27 mi (8,187.17 km) |
| Roma to Olhao | 5,204.33 mi (8,375.55 km) |
| Roma to Oliveira de Azemeis | 5,075.70 mi (8,168.56 km) |
