| Highland Park to Montalegre | 3,943.76 mi (6,346.87 km) |
| Highland Park to Montemor-o-Novo | 4,035.36 mi (6,494.28 km) |
| Highland Park to Montemor-o-Velho | 3,960.48 mi (6,373.78 km) |
| Highland Park to Montijo | 4,002.59 mi (6,441.54 km) |
| Highland Park to Mortagua | 3,971.72 mi (6,391.86 km) |
| Highland Park to Moura | 4,089.41 mi (6,581.26 km) |
| Highland Park to Murtosa | 3,943.17 mi (6,345.92 km) |
| Highland Park to Nazare | 3,962.64 mi (6,377.26 km) |
| Highland Park to Nelas | 3,986.22 mi (6,415.19 km) |
| Highland Park to Obidos | 3,966.91 mi (6,384.12 km) |
| Highland Park to Odemira | 4,054.39 mi (6,524.91 km) |
| Highland Park to Odivelas | 3,985.85 mi (6,414.61 km) |
| Highland Park to Oeiras | 3,983.28 mi (6,410.48 km) |
| Highland Park to Olhao | 4,111.70 mi (6,617.14 km) |
| Highland Park to Oliveira de Azemeis | 3,946.68 mi (6,351.57 km) |
