| San Marino to Montalegre | 5,582.98 mi (8,984.93 km) |
| San Marino to Montemor-o-Novo | 5,700.98 mi (9,174.85 km) |
| San Marino to Montemor-o-Velho | 5,616.78 mi (9,039.33 km) |
| San Marino to Montijo | 5,670.55 mi (9,125.86 km) |
| San Marino to Mortagua | 5,624.15 mi (9,051.19 km) |
| San Marino to Moura | 5,755.70 mi (9,262.91 km) |
| San Marino to Murtosa | 5,594.85 mi (9,004.04 km) |
| San Marino to Nazare | 5,624.68 mi (9,052.05 km) |
| San Marino to Nelas | 5,636.43 mi (9,070.95 km) |
| San Marino to Obidos | 5,631.05 mi (9,062.30 km) |
| San Marino to Odemira | 5,728.77 mi (9,219.57 km) |
| San Marino to Odivelas | 5,654.10 mi (9,099.40 km) |
| San Marino to Oeiras | 5,652.78 mi (9,097.27 km) |
| San Marino to Olhao | 5,786.81 mi (9,312.98 km) |
| San Marino to Oliveira de Azemeis | 5,596.87 mi (9,007.29 km) |
