| Portimao to Miedzychod | 1,589.40 mi (2,557.89 km) |
| Portimao to Miedzyrzec Podlaski | 1,829.85 mi (2,944.85 km) |
| Portimao to Miedzyrzecz | 1,573.30 mi (2,531.98 km) |
| Portimao to Mielec | 1,733.28 mi (2,789.45 km) |
| Portimao to Mikolow | 1,626.18 mi (2,617.09 km) |
| Portimao to Milanowek | 1,751.90 mi (2,819.41 km) |
| Portimao to Milicz | 1,603.47 mi (2,580.53 km) |
| Portimao to Minsk Mazowiecki | 1,787.48 mi (2,876.68 km) |
| Portimao to Mlawa | 1,769.52 mi (2,847.77 km) |
| Portimao to Mogilno | 1,665.49 mi (2,680.35 km) |
| Portimao to Monki | 1,869.31 mi (3,008.36 km) |
| Portimao to Morag | 1,779.73 mi (2,864.20 km) |
| Portimao to Mosina | 1,611.26 mi (2,593.07 km) |
| Portimao to Mragowo | 1,827.23 mi (2,940.64 km) |
| Portimao to Murowana Goslina | 1,628.72 mi (2,621.17 km) |
