| Grand Forks to Montalegre | 4,140.70 mi (6,663.82 km) |
| Grand Forks to Montemor-o-Novo | 4,264.03 mi (6,862.29 km) |
| Grand Forks to Montemor-o-Velho | 4,177.53 mi (6,723.08 km) |
| Grand Forks to Montijo | 4,234.44 mi (6,814.67 km) |
| Grand Forks to Mortagua | 4,184.02 mi (6,733.52 km) |
| Grand Forks to Moura | 4,318.79 mi (6,950.42 km) |
| Grand Forks to Murtosa | 4,154.63 mi (6,686.24 km) |
| Grand Forks to Nazare | 4,186.90 mi (6,738.16 km) |
| Grand Forks to Nelas | 4,195.82 mi (6,752.52 km) |
| Grand Forks to Obidos | 4,193.86 mi (6,749.37 km) |
| Grand Forks to Odemira | 4,294.80 mi (6,911.82 km) |
| Grand Forks to Odivelas | 4,218.15 mi (6,788.46 km) |
| Grand Forks to Oeiras | 4,217.26 mi (6,787.02 km) |
| Grand Forks to Olhao | 4,352.93 mi (7,005.36 km) |
| Grand Forks to Oliveira de Azemeis | 4,156.35 mi (6,689.00 km) |
