| Lockport to Montalegre | 3,973.56 mi (6,394.83 km) |
| Lockport to Montemor-o-Novo | 4,063.30 mi (6,539.25 km) |
| Lockport to Montemor-o-Velho | 3,989.15 mi (6,419.92 km) |
| Lockport to Montijo | 4,030.37 mi (6,486.25 km) |
| Lockport to Mortagua | 4,000.65 mi (6,438.42 km) |
| Lockport to Moura | 4,117.26 mi (6,626.09 km) |
| Lockport to Murtosa | 3,972.17 mi (6,392.59 km) |
| Lockport to Nazare | 3,990.90 mi (6,422.74 km) |
| Lockport to Nelas | 4,015.28 mi (6,461.98 km) |
| Lockport to Obidos | 3,995.00 mi (6,429.34 km) |
| Lockport to Odemira | 4,081.62 mi (6,568.73 km) |
| Lockport to Odivelas | 4,013.62 mi (6,459.30 km) |
| Lockport to Oeiras | 4,010.96 mi (6,455.01 km) |
| Lockport to Olhao | 4,138.83 mi (6,660.80 km) |
| Lockport to Oliveira de Azemeis | 3,975.78 mi (6,398.40 km) |
