| Edwardsville to Montalegre | 4,160.94 mi (6,696.38 km) |
| Edwardsville to Montemor-o-Novo | 4,243.58 mi (6,829.38 km) |
| Edwardsville to Montemor-o-Velho | 4,172.29 mi (6,714.65 km) |
| Edwardsville to Montijo | 4,210.06 mi (6,775.43 km) |
| Edwardsville to Mortagua | 4,184.75 mi (6,734.71 km) |
| Edwardsville to Moura | 4,297.17 mi (6,915.63 km) |
| Edwardsville to Murtosa | 4,156.56 mi (6,689.34 km) |
| Edwardsville to Nazare | 4,172.46 mi (6,714.92 km) |
| Edwardsville to Nelas | 4,199.90 mi (6,759.09 km) |
| Edwardsville to Obidos | 4,175.94 mi (6,720.53 km) |
| Edwardsville to Odemira | 4,259.13 mi (6,854.40 km) |
| Edwardsville to Odivelas | 4,193.28 mi (6,748.43 km) |
| Edwardsville to Oeiras | 4,190.24 mi (6,743.54 km) |
| Edwardsville to Olhao | 4,315.91 mi (6,945.79 km) |
| Edwardsville to Oliveira de Azemeis | 4,160.53 mi (6,695.73 km) |
