| Middlesbrough to Miedzychod | 713.36 mi (1,148.04 km) |
| Middlesbrough to Miedzyrzec Podlaski | 1,003.15 mi (1,614.41 km) |
| Middlesbrough to Miedzyrzecz | 704.87 mi (1,134.38 km) |
| Middlesbrough to Mielec | 994.96 mi (1,601.23 km) |
| Middlesbrough to Mikolow | 898.61 mi (1,446.17 km) |
| Middlesbrough to Milanowek | 915.60 mi (1,473.51 km) |
| Middlesbrough to Milicz | 794.67 mi (1,278.89 km) |
| Middlesbrough to Minsk Mazowiecki | 949.84 mi (1,528.61 km) |
| Middlesbrough to Mlawa | 882.75 mi (1,420.65 km) |
| Middlesbrough to Mogilno | 794.98 mi (1,279.39 km) |
| Middlesbrough to Monki | 975.64 mi (1,570.15 km) |
| Middlesbrough to Morag | 852.58 mi (1,372.10 km) |
| Middlesbrough to Mosina | 759.55 mi (1,222.38 km) |
| Middlesbrough to Mragowo | 907.74 mi (1,460.87 km) |
| Middlesbrough to Murowana Goslina | 759.37 mi (1,222.08 km) |
