| Hartlepool to Montijo | 1,119.06 mi (1,800.95 km) |
| Hartlepool to Montilla | 1,192.91 mi (1,919.80 km) |
| Hartlepool to Montmelo | 921.20 mi (1,482.52 km) |
| Hartlepool to Montornes del Valles | 922.03 mi (1,483.87 km) |
| Hartlepool to Montoro | 1,161.61 mi (1,869.43 km) |
| Hartlepool to Monzon | 885.31 mi (1,424.76 km) |
| Hartlepool to Mora | 1,043.62 mi (1,679.54 km) |
| Hartlepool to Moralzarzal | 976.62 mi (1,571.71 km) |
| Hartlepool to Moron de la Frontera | 1,230.27 mi (1,979.92 km) |
| Hartlepool to Mostoles | 999.48 mi (1,608.51 km) |
| Hartlepool to Motril | 1,244.35 mi (2,002.58 km) |
| Hartlepool to Muchamiel | 1,125.16 mi (1,810.77 km) |
| Hartlepool to Mula | 1,150.35 mi (1,851.31 km) |
| Hartlepool to Munguia | 786.64 mi (1,265.98 km) |
| Hartlepool to Murcia | 1,154.13 mi (1,857.40 km) |
