| Mercer Island to Manerbio | 5,397.93 mi (8,687.13 km) |
| Mercer Island to Manfredonia | 5,763.38 mi (9,275.26 km) |
| Mercer Island to Maniago | 5,412.10 mi (8,709.94 km) |
| Mercer Island to Mantova | 5,426.66 mi (8,733.36 km) |
| Mercer Island to Maranello | 5,465.74 mi (8,796.26 km) |
| Mercer Island to Marano di Napoli | 5,766.87 mi (9,280.88 km) |
| Mercer Island to Marano Vicentino | 5,409.75 mi (8,706.15 km) |
| Mercer Island to Marcianise | 5,761.58 mi (9,272.36 km) |
| Mercer Island to Marcon | 5,439.19 mi (8,753.53 km) |
| Mercer Island to Mareno di Piave | 5,423.18 mi (8,727.76 km) |
| Mercer Island to Margherita di Savoia | 5,785.27 mi (9,310.49 km) |
| Mercer Island to Mariano Comense | 5,354.55 mi (8,617.31 km) |
| Mercer Island to Marigliano | 5,771.34 mi (9,288.07 km) |
| Mercer Island to Marino | 5,676.78 mi (9,135.90 km) |
| Mercer Island to Marostica | 5,412.34 mi (8,710.32 km) |
