| Cahokia to Montalegre | 4,178.01 mi (6,723.86 km) |
| Cahokia to Montemor-o-Novo | 4,260.16 mi (6,856.06 km) |
| Cahokia to Montemor-o-Velho | 4,189.06 mi (6,741.65 km) |
| Cahokia to Montijo | 4,226.59 mi (6,802.05 km) |
| Cahokia to Mortagua | 4,201.60 mi (6,761.82 km) |
| Cahokia to Moura | 4,313.72 mi (6,942.26 km) |
| Cahokia to Murtosa | 4,173.43 mi (6,716.49 km) |
| Cahokia to Nazare | 4,189.12 mi (6,741.74 km) |
| Cahokia to Nelas | 4,216.78 mi (6,786.26 km) |
| Cahokia to Obidos | 4,192.56 mi (6,747.28 km) |
| Cahokia to Odemira | 4,275.51 mi (6,880.76 km) |
| Cahokia to Odivelas | 4,209.81 mi (6,775.04 km) |
| Cahokia to Oeiras | 4,206.75 mi (6,770.11 km) |
| Cahokia to Olhao | 4,332.26 mi (6,972.10 km) |
| Cahokia to Oliveira de Azemeis | 4,177.42 mi (6,722.92 km) |
