| Middlesbrough to Marasesti | 1,381.54 mi (2,223.38 km) |
| Middlesbrough to Marghita | 1,133.36 mi (1,823.97 km) |
| Middlesbrough to Marginea | 1,251.89 mi (2,014.72 km) |
| Middlesbrough to Matca | 1,394.56 mi (2,244.32 km) |
| Middlesbrough to Medgidia | 1,490.13 mi (2,398.14 km) |
| Middlesbrough to Media | 1,259.30 mi (2,026.65 km) |
| Middlesbrough to Miercurea-Ciuc | 1,306.70 mi (2,102.93 km) |
| Middlesbrough to Mioveni | 1,332.63 mi (2,144.66 km) |
| Middlesbrough to Mizil | 1,387.88 mi (2,233.58 km) |
| Middlesbrough to Moinesti | 1,330.23 mi (2,140.79 km) |
| Middlesbrough to Moisei | 1,207.05 mi (1,942.55 km) |
| Middlesbrough to Moldova Noua | 1,221.49 mi (1,965.80 km) |
| Middlesbrough to Moreni | 1,358.33 mi (2,186.01 km) |
| Middlesbrough to Motru | 1,265.63 mi (2,036.83 km) |
| Middlesbrough to Murfatlar | 1,499.12 mi (2,412.60 km) |
