| Mercer Island to Marsala | 5,911.12 mi (9,513.04 km) |
| Mercer Island to Marsciano | 5,599.03 mi (9,010.77 km) |
| Mercer Island to Martano | 5,907.18 mi (9,506.69 km) |
| Mercer Island to Martellago | 5,436.28 mi (8,748.84 km) |
| Mercer Island to Martina Franca | 5,853.97 mi (9,421.05 km) |
| Mercer Island to Martinengo | 5,376.77 mi (8,653.07 km) |
| Mercer Island to Martinsicuro | 5,639.49 mi (9,075.88 km) |
| Mercer Island to Mascali | 5,984.95 mi (9,631.85 km) |
| Mercer Island to Mascalucia | 5,992.46 mi (9,643.93 km) |
| Mercer Island to Masera di Padova | 5,443.16 mi (8,759.91 km) |
| Mercer Island to Maserada sul Piave | 5,427.82 mi (8,735.23 km) |
| Mercer Island to Massa | 5,477.26 mi (8,814.80 km) |
| Mercer Island to Massa Lombarda | 5,494.03 mi (8,841.78 km) |
| Mercer Island to Massafra | 5,856.21 mi (9,424.65 km) |
| Mercer Island to Massalubrense | 5,788.25 mi (9,315.29 km) |
