| Hartlepool to Miranda de Ebro | 833.23 mi (1,340.96 km) |
| Hartlepool to Mislata | 1,051.90 mi (1,692.87 km) |
| Hartlepool to Moana | 922.88 mi (1,485.22 km) |
| Hartlepool to Moguer | 1,232.27 mi (1,983.15 km) |
| Hartlepool to Molina de Segura | 1,149.38 mi (1,849.75 km) |
| Hartlepool to Molins de Rey | 929.06 mi (1,495.17 km) |
| Hartlepool to Mollerusa | 907.34 mi (1,460.22 km) |
| Hartlepool to Mollet | 922.19 mi (1,484.13 km) |
| Hartlepool to Moncada | 925.36 mi (1,489.22 km) |
| Hartlepool to Moncada | 1,047.06 mi (1,685.08 km) |
| Hartlepool to Monforte de Lemos | 888.21 mi (1,429.44 km) |
| Hartlepool to Monforte del Cid | 1,127.19 mi (1,814.04 km) |
| Hartlepool to Mongat | 927.43 mi (1,492.56 km) |
| Hartlepool to Monovar | 1,123.12 mi (1,807.48 km) |
| Hartlepool to Monserrat | 1,059.75 mi (1,705.50 km) |
