| Sterling Heights to Montalegre | 3,715.25 mi (5,979.12 km) |
| Sterling Heights to Montemor-o-Novo | 3,801.78 mi (6,118.37 km) |
| Sterling Heights to Montemor-o-Velho | 3,728.76 mi (6,000.86 km) |
| Sterling Heights to Montijo | 3,768.63 mi (6,065.02 km) |
| Sterling Heights to Mortagua | 3,740.69 mi (6,020.07 km) |
| Sterling Heights to Moura | 3,855.61 mi (6,205.01 km) |
| Sterling Heights to Murtosa | 3,712.35 mi (5,974.45 km) |
| Sterling Heights to Nazare | 3,729.86 mi (6,002.62 km) |
| Sterling Heights to Nelas | 3,755.57 mi (6,044.01 km) |
| Sterling Heights to Obidos | 3,733.72 mi (6,008.84 km) |
| Sterling Heights to Odemira | 3,819.16 mi (6,146.35 km) |
| Sterling Heights to Odivelas | 3,751.87 mi (6,038.05 km) |
| Sterling Heights to Oeiras | 3,749.07 mi (6,033.55 km) |
| Sterling Heights to Olhao | 3,876.25 mi (6,238.23 km) |
| Sterling Heights to Oliveira de Azemeis | 3,716.13 mi (5,980.53 km) |
