| Middlesbrough to Montevarchi | 955.47 mi (1,537.68 km) |
| Middlesbrough to Monticello Conte Otto | 838.64 mi (1,349.67 km) |
| Middlesbrough to Montichiari | 814.73 mi (1,311.18 km) |
| Middlesbrough to Montignoso | 889.96 mi (1,432.25 km) |
| Middlesbrough to Montopoli in Val d'Arno | 925.68 mi (1,489.74 km) |
| Middlesbrough to Monza | 774.91 mi (1,247.10 km) |
| Middlesbrough to Morbegno | 751.33 mi (1,209.15 km) |
| Middlesbrough to Mori | 807.32 mi (1,299.26 km) |
| Middlesbrough to Morlupo | 1,061.74 mi (1,708.71 km) |
| Middlesbrough to Morrovalle | 1,024.11 mi (1,648.14 km) |
| Middlesbrough to Mortara | 781.07 mi (1,257.01 km) |
| Middlesbrough to Mosciano Sant'Angelo | 1,064.86 mi (1,713.73 km) |
| Middlesbrough to Motta di Livenza | 860.05 mi (1,384.11 km) |
| Middlesbrough to Motta Sant'Anastasia | 1,405.33 mi (2,261.66 km) |
| Middlesbrough to Mottola | 1,277.73 mi (2,056.31 km) |
