| Key Biscayne to Masanasa | 4,594.00 mi (7,393.33 km) |
| Key Biscayne to Masquefa | 4,669.09 mi (7,514.18 km) |
| Key Biscayne to Matadepera | 4,677.80 mi (7,528.20 km) |
| Key Biscayne to Mazarron | 4,578.29 mi (7,368.04 km) |
| Key Biscayne to Meco | 4,424.72 mi (7,120.89 km) |
| Key Biscayne to Medina del Campo | 4,332.81 mi (6,972.98 km) |
| Key Biscayne to Medina Sidonia | 4,351.09 mi (7,002.40 km) |
| Key Biscayne to Mejorada del Campo | 4,424.03 mi (7,119.78 km) |
| Key Biscayne to Meliana | 4,594.47 mi (7,394.09 km) |
| Key Biscayne to Mengibar | 4,439.95 mi (7,145.41 km) |
| Key Biscayne to Merida | 4,292.55 mi (6,908.20 km) |
| Key Biscayne to Miajadas | 4,303.05 mi (6,925.09 km) |
| Key Biscayne to Mieres | 4,264.91 mi (6,863.72 km) |
| Key Biscayne to Miguelturra | 4,416.69 mi (7,107.97 km) |
| Key Biscayne to Mijas | 4,418.23 mi (7,110.46 km) |
