| Upper Grand Lagoon to Masanasa | 4,703.97 mi (7,570.30 km) |
| Upper Grand Lagoon to Masquefa | 4,757.74 mi (7,656.84 km) |
| Upper Grand Lagoon to Matadepera | 4,765.22 mi (7,668.88 km) |
| Upper Grand Lagoon to Mazarron | 4,704.60 mi (7,571.31 km) |
| Upper Grand Lagoon to Meco | 4,531.01 mi (7,291.96 km) |
| Upper Grand Lagoon to Medina del Campo | 4,435.66 mi (7,138.51 km) |
| Upper Grand Lagoon to Medina Sidonia | 4,495.82 mi (7,235.32 km) |
| Upper Grand Lagoon to Mejorada del Campo | 4,531.73 mi (7,293.12 km) |
| Upper Grand Lagoon to Meliana | 4,703.39 mi (7,569.37 km) |
| Upper Grand Lagoon to Mengibar | 4,568.36 mi (7,352.07 km) |
| Upper Grand Lagoon to Merida | 4,418.03 mi (7,110.13 km) |
| Upper Grand Lagoon to Miajadas | 4,425.96 mi (7,122.89 km) |
| Upper Grand Lagoon to Mieres | 4,352.47 mi (7,004.63 km) |
| Upper Grand Lagoon to Miguelturra | 4,537.23 mi (7,301.96 km) |
| Upper Grand Lagoon to Mijas | 4,559.34 mi (7,337.54 km) |
