| Grain Valley to Montalegre | 4,343.97 mi (6,990.95 km) |
| Grain Valley to Montemor-o-Novo | 4,434.13 mi (7,136.04 km) |
| Grain Valley to Montemor-o-Velho | 4,359.97 mi (7,016.69 km) |
| Grain Valley to Montijo | 4,401.17 mi (7,083.00 km) |
| Grain Valley to Mortagua | 4,371.41 mi (7,035.11 km) |
| Grain Valley to Moura | 4,488.08 mi (7,222.86 km) |
| Grain Valley to Murtosa | 4,342.92 mi (6,989.25 km) |
| Grain Valley to Nazare | 4,361.75 mi (7,019.55 km) |
| Grain Valley to Nelas | 4,386.01 mi (7,058.61 km) |
| Grain Valley to Obidos | 4,365.84 mi (7,026.15 km) |
| Grain Valley to Odemira | 4,452.28 mi (7,165.26 km) |
| Grain Valley to Odivelas | 4,384.43 mi (7,056.05 km) |
| Grain Valley to Oeiras | 4,381.74 mi (7,051.73 km) |
| Grain Valley to Olhao | 4,509.46 mi (7,257.27 km) |
| Grain Valley to Oliveira de Azemeis | 4,346.50 mi (6,995.01 km) |
