| Hartlepool to Melzo | 788.77 mi (1,269.40 km) |
| Hartlepool to Mendicino | 1,337.33 mi (2,152.23 km) |
| Hartlepool to Menfi | 1,355.67 mi (2,181.74 km) |
| Hartlepool to Mentana | 1,078.28 mi (1,735.32 km) |
| Hartlepool to Merano | 772.70 mi (1,243.53 km) |
| Hartlepool to Merate | 777.60 mi (1,251.42 km) |
| Hartlepool to Mercato San Severino | 1,208.26 mi (1,944.50 km) |
| Hartlepool to Mercogliano | 1,199.41 mi (1,930.26 km) |
| Hartlepool to Mesagne | 1,309.03 mi (2,106.67 km) |
| Hartlepool to Messina | 1,383.73 mi (2,226.90 km) |
| Hartlepool to Mestre | 868.56 mi (1,397.81 km) |
| Hartlepool to Mestrino | 856.82 mi (1,378.92 km) |
| Hartlepool to Milan | 784.83 mi (1,263.07 km) |
| Hartlepool to Milazzo | 1,373.98 mi (2,211.21 km) |
| Hartlepool to Minerbio | 895.03 mi (1,440.42 km) |
