| Grosse Pointe Woods to Montalegre | 3,713.74 mi (5,976.69 km) |
| Grosse Pointe Woods to Montemor-o-Novo | 3,799.52 mi (6,114.73 km) |
| Grosse Pointe Woods to Montemor-o-Velho | 3,726.79 mi (5,997.70 km) |
| Grosse Pointe Woods to Montijo | 3,766.31 mi (6,061.29 km) |
| Grosse Pointe Woods to Mortagua | 3,738.83 mi (6,017.06 km) |
| Grosse Pointe Woods to Moura | 3,853.32 mi (6,201.31 km) |
| Grosse Pointe Woods to Murtosa | 3,710.51 mi (5,971.49 km) |
| Grosse Pointe Woods to Nazare | 3,727.72 mi (5,999.19 km) |
| Grosse Pointe Woods to Nelas | 3,753.76 mi (6,041.09 km) |
| Grosse Pointe Woods to Obidos | 3,731.52 mi (6,005.30 km) |
| Grosse Pointe Woods to Odemira | 3,816.63 mi (6,142.27 km) |
| Grosse Pointe Woods to Odivelas | 3,749.54 mi (6,034.31 km) |
| Grosse Pointe Woods to Oeiras | 3,746.71 mi (6,029.75 km) |
| Grosse Pointe Woods to Olhao | 3,873.68 mi (6,234.09 km) |
| Grosse Pointe Woods to Oliveira de Azemeis | 3,714.33 mi (5,977.63 km) |
