| Mercer Island to Massarosa | 5,492.23 mi (8,838.89 km) |
| Mercer Island to Matelica | 5,594.99 mi (9,004.26 km) |
| Mercer Island to Matera | 5,839.02 mi (9,396.99 km) |
| Mercer Island to Matino | 5,913.78 mi (9,517.30 km) |
| Mercer Island to Mazzarino | 5,987.25 mi (9,635.54 km) |
| Mercer Island to Meda | 5,356.10 mi (8,619.81 km) |
| Mercer Island to Medesano | 5,434.61 mi (8,746.16 km) |
| Mercer Island to Medicina | 5,487.56 mi (8,831.37 km) |
| Mercer Island to Meldola | 5,518.75 mi (8,881.58 km) |
| Mercer Island to Melegnano | 5,378.24 mi (8,655.44 km) |
| Mercer Island to Melendugno | 5,903.77 mi (9,501.21 km) |
| Mercer Island to Melfi | 5,796.08 mi (9,327.88 km) |
| Mercer Island to Melilli | 6,017.68 mi (9,684.52 km) |
| Mercer Island to Melito di Napoli | 5,767.07 mi (9,281.20 km) |
| Mercer Island to Melito di Porto Salvo | 5,989.17 mi (9,638.64 km) |
