| Middle River to Miedzychod | 4,215.13 mi (6,783.59 km) |
| Middle River to Miedzyrzec Podlaski | 4,488.36 mi (7,223.31 km) |
| Middle River to Miedzyrzecz | 4,209.07 mi (6,773.84 km) |
| Middle River to Mielec | 4,502.10 mi (7,245.43 km) |
| Middle River to Mikolow | 4,411.02 mi (7,098.85 km) |
| Middle River to Milanowek | 4,407.14 mi (7,092.60 km) |
| Middle River to Milicz | 4,302.63 mi (6,924.42 km) |
| Middle River to Minsk Mazowiecki | 4,437.27 mi (7,141.10 km) |
| Middle River to Mlawa | 4,360.86 mi (7,018.13 km) |
| Middle River to Mogilno | 4,289.59 mi (6,903.42 km) |
| Middle River to Monki | 4,437.21 mi (7,141.00 km) |
| Middle River to Morag | 4,317.63 mi (6,948.56 km) |
| Middle River to Mosina | 4,262.38 mi (6,859.63 km) |
| Middle River to Mragowo | 4,367.38 mi (7,028.62 km) |
| Middle River to Murowana Goslina | 4,258.11 mi (6,852.76 km) |
