| Hartlepool to Marasesti | 1,382.47 mi (2,224.87 km) |
| Hartlepool to Marghita | 1,134.62 mi (1,825.99 km) |
| Hartlepool to Marginea | 1,252.36 mi (2,015.48 km) |
| Hartlepool to Matca | 1,395.44 mi (2,245.75 km) |
| Hartlepool to Medgidia | 1,491.38 mi (2,400.15 km) |
| Hartlepool to Media | 1,260.63 mi (2,028.79 km) |
| Hartlepool to Miercurea-Ciuc | 1,307.71 mi (2,104.55 km) |
| Hartlepool to Mioveni | 1,334.25 mi (2,147.26 km) |
| Hartlepool to Mizil | 1,389.22 mi (2,235.73 km) |
| Hartlepool to Moinesti | 1,331.09 mi (2,142.18 km) |
| Hartlepool to Moisei | 1,207.80 mi (1,943.76 km) |
| Hartlepool to Moldova Noua | 1,223.83 mi (1,969.56 km) |
| Hartlepool to Moreni | 1,359.81 mi (2,188.40 km) |
| Hartlepool to Motru | 1,267.67 mi (2,040.12 km) |
| Hartlepool to Murfatlar | 1,500.37 mi (2,414.61 km) |
