| Seattle to Marsala | 5,910.41 mi (9,511.88 km) |
| Seattle to Marsciano | 5,598.07 mi (9,009.23 km) |
| Seattle to Martano | 5,905.95 mi (9,504.71 km) |
| Seattle to Martellago | 5,435.20 mi (8,747.12 km) |
| Seattle to Martina Franca | 5,852.79 mi (9,419.15 km) |
| Seattle to Martinengo | 5,375.84 mi (8,651.58 km) |
| Seattle to Martinsicuro | 5,638.43 mi (9,074.18 km) |
| Seattle to Mascali | 5,984.05 mi (9,630.40 km) |
| Seattle to Mascalucia | 5,991.57 mi (9,642.50 km) |
| Seattle to Masera di Padova | 5,442.11 mi (8,758.23 km) |
| Seattle to Maserada sul Piave | 5,426.73 mi (8,733.47 km) |
| Seattle to Massa | 5,476.39 mi (8,813.40 km) |
| Seattle to Massa Lombarda | 5,493.03 mi (8,840.18 km) |
| Seattle to Massafra | 5,855.04 mi (9,422.78 km) |
| Seattle to Massalubrense | 5,787.27 mi (9,313.72 km) |
