| Great Baddow to Miranda de Ebro | 644.67 mi (1,037.49 km) |
| Great Baddow to Mislata | 847.13 mi (1,363.33 km) |
| Great Baddow to Moana | 783.04 mi (1,260.19 km) |
| Great Baddow to Moguer | 1,060.31 mi (1,706.41 km) |
| Great Baddow to Molina de Segura | 947.78 mi (1,525.31 km) |
| Great Baddow to Molins de Rey | 715.57 mi (1,151.60 km) |
| Great Baddow to Mollerusa | 697.21 mi (1,122.04 km) |
| Great Baddow to Mollet | 708.18 mi (1,139.71 km) |
| Great Baddow to Moncada | 711.42 mi (1,144.92 km) |
| Great Baddow to Moncada | 842.21 mi (1,355.41 km) |
| Great Baddow to Monforte de Lemos | 738.30 mi (1,188.19 km) |
| Great Baddow to Monforte del Cid | 923.63 mi (1,486.44 km) |
| Great Baddow to Mongat | 713.29 mi (1,147.92 km) |
| Great Baddow to Monovar | 920.01 mi (1,480.61 km) |
| Great Baddow to Monserrat | 855.76 mi (1,377.21 km) |
