| Thornaby on Tees to Montevarchi | 956.35 mi (1,539.10 km) |
| Thornaby on Tees to Monticello Conte Otto | 839.78 mi (1,351.50 km) |
| Thornaby on Tees to Montichiari | 815.68 mi (1,312.71 km) |
| Thornaby on Tees to Montignoso | 890.71 mi (1,433.46 km) |
| Thornaby on Tees to Montopoli in Val d'Arno | 926.47 mi (1,491.01 km) |
| Thornaby on Tees to Monza | 775.73 mi (1,248.42 km) |
| Thornaby on Tees to Morbegno | 752.27 mi (1,210.66 km) |
| Thornaby on Tees to Mori | 808.42 mi (1,301.03 km) |
| Thornaby on Tees to Morlupo | 1,062.59 mi (1,710.08 km) |
| Thornaby on Tees to Morrovalle | 1,025.20 mi (1,649.90 km) |
| Thornaby on Tees to Mortara | 781.77 mi (1,258.13 km) |
| Thornaby on Tees to Mosciano Sant'Angelo | 1,065.93 mi (1,715.45 km) |
| Thornaby on Tees to Motta di Livenza | 861.33 mi (1,386.18 km) |
| Thornaby on Tees to Motta Sant'Anastasia | 1,406.07 mi (2,262.85 km) |
| Thornaby on Tees to Mottola | 1,278.91 mi (2,058.21 km) |
