| Thornaby on Tees to Montijo | 1,109.32 mi (1,785.28 km) |
| Thornaby on Tees to Montilla | 1,183.35 mi (1,904.42 km) |
| Thornaby on Tees to Montmelo | 913.03 mi (1,469.38 km) |
| Thornaby on Tees to Montornes del Valles | 913.87 mi (1,470.73 km) |
| Thornaby on Tees to Montoro | 1,152.07 mi (1,854.08 km) |
| Thornaby on Tees to Monzon | 876.57 mi (1,410.70 km) |
| Thornaby on Tees to Mora | 1,034.13 mi (1,664.27 km) |
| Thornaby on Tees to Moralzarzal | 967.08 mi (1,556.37 km) |
| Thornaby on Tees to Moron de la Frontera | 1,220.64 mi (1,964.43 km) |
| Thornaby on Tees to Mostoles | 989.97 mi (1,593.20 km) |
| Thornaby on Tees to Motril | 1,234.93 mi (1,987.43 km) |
| Thornaby on Tees to Muchamiel | 1,116.23 mi (1,796.39 km) |
| Thornaby on Tees to Mula | 1,141.22 mi (1,836.62 km) |
| Thornaby on Tees to Munguia | 777.22 mi (1,250.82 km) |
| Thornaby on Tees to Murcia | 1,145.07 mi (1,842.81 km) |
