| Great Baddow to Masanasa | 851.70 mi (1,370.67 km) |
| Great Baddow to Masquefa | 708.50 mi (1,140.23 km) |
| Great Baddow to Matadepera | 702.56 mi (1,130.66 km) |
| Great Baddow to Mazarron | 979.66 mi (1,576.61 km) |
| Great Baddow to Meco | 792.67 mi (1,275.68 km) |
| Great Baddow to Medina del Campo | 764.15 mi (1,229.78 km) |
| Great Baddow to Medina Sidonia | 1,099.92 mi (1,770.15 km) |
| Great Baddow to Mejorada del Campo | 803.95 mi (1,293.83 km) |
| Great Baddow to Meliana | 843.37 mi (1,357.27 km) |
| Great Baddow to Mengibar | 972.88 mi (1,565.70 km) |
| Great Baddow to Merida | 944.99 mi (1,520.82 km) |
| Great Baddow to Miajadas | 924.14 mi (1,487.26 km) |
| Great Baddow to Mieres | 653.95 mi (1,052.44 km) |
| Great Baddow to Miguelturra | 906.85 mi (1,459.44 km) |
| Great Baddow to Mijas | 1,074.56 mi (1,729.34 km) |
