| North Liberty to Montalegre | 4,128.02 mi (6,643.41 km) |
| North Liberty to Montemor-o-Novo | 4,223.49 mi (6,797.05 km) |
| North Liberty to Montemor-o-Velho | 4,147.20 mi (6,674.28 km) |
| North Liberty to Montijo | 4,191.02 mi (6,744.80 km) |
| North Liberty to Mortagua | 4,157.90 mi (6,691.49 km) |
| North Liberty to Moura | 4,277.68 mi (6,884.27 km) |
| North Liberty to Murtosa | 4,129.21 mi (6,645.32 km) |
| North Liberty to Nazare | 4,150.19 mi (6,679.09 km) |
| North Liberty to Nelas | 4,172.10 mi (6,714.34 km) |
| North Liberty to Obidos | 4,154.76 mi (6,686.44 km) |
| North Liberty to Odemira | 4,243.79 mi (6,829.72 km) |
| North Liberty to Odivelas | 4,174.32 mi (6,717.91 km) |
| North Liberty to Oeiras | 4,171.92 mi (6,714.06 km) |
| North Liberty to Olhao | 4,301.25 mi (6,922.19 km) |
| North Liberty to Oliveira de Azemeis | 4,132.51 mi (6,650.64 km) |
