| Mercer Island to Mancha Real | 5,434.19 mi (8,745.48 km) |
| Mercer Island to Manilva | 5,456.22 mi (8,780.93 km) |
| Mercer Island to Manises | 5,441.42 mi (8,757.11 km) |
| Mercer Island to Manlleu | 5,381.91 mi (8,661.35 km) |
| Mercer Island to Manresa | 5,384.11 mi (8,664.89 km) |
| Mercer Island to Manzanares | 5,375.42 mi (8,650.90 km) |
| Mercer Island to Manzanares el Real | 5,264.73 mi (8,472.77 km) |
| Mercer Island to Maracena | 5,465.80 mi (8,796.36 km) |
| Mercer Island to Marbella | 5,461.39 mi (8,789.25 km) |
| Mercer Island to Marchena | 5,398.75 mi (8,688.44 km) |
| Mercer Island to Marin | 5,017.79 mi (8,075.36 km) |
| Mercer Island to Marratxi | 5,530.20 mi (8,900.00 km) |
| Mercer Island to Martorell | 5,401.40 mi (8,692.71 km) |
| Mercer Island to Martos | 5,426.31 mi (8,732.81 km) |
| Mercer Island to Masamagrell | 5,440.28 mi (8,755.28 km) |
