| SeaTac to Massarosa | 5,500.98 mi (8,852.98 km) |
| SeaTac to Matelica | 5,603.79 mi (9,018.43 km) |
| SeaTac to Matera | 5,847.85 mi (9,411.21 km) |
| SeaTac to Matino | 5,922.63 mi (9,531.55 km) |
| SeaTac to Mazzarino | 5,995.98 mi (9,649.60 km) |
| SeaTac to Meda | 5,364.86 mi (8,633.91 km) |
| SeaTac to Medesano | 5,443.38 mi (8,760.27 km) |
| SeaTac to Medicina | 5,496.35 mi (8,845.52 km) |
| SeaTac to Meldola | 5,527.55 mi (8,895.73 km) |
| SeaTac to Melegnano | 5,387.00 mi (8,669.54 km) |
| SeaTac to Melendugno | 5,912.63 mi (9,515.46 km) |
| SeaTac to Melfi | 5,804.90 mi (9,342.08 km) |
| SeaTac to Melilli | 6,026.44 mi (9,698.61 km) |
| SeaTac to Melito di Napoli | 5,775.86 mi (9,295.35 km) |
| SeaTac to Melito di Porto Salvo | 5,997.95 mi (9,652.77 km) |
