| SeaTac to Marasesti | 5,730.16 mi (9,221.81 km) |
| SeaTac to Marghita | 5,549.58 mi (8,931.19 km) |
| SeaTac to Marginea | 5,581.66 mi (8,982.82 km) |
| SeaTac to Matca | 5,737.13 mi (9,233.02 km) |
| SeaTac to Medgidia | 5,853.16 mi (9,419.76 km) |
| SeaTac to Media | 5,662.94 mi (9,113.61 km) |
| SeaTac to Miercurea-Ciuc | 5,675.02 mi (9,133.06 km) |
| SeaTac to Mioveni | 5,750.08 mi (9,253.86 km) |
| SeaTac to Mizil | 5,773.76 mi (9,291.97 km) |
| SeaTac to Moinesti | 5,681.85 mi (9,144.06 km) |
| SeaTac to Moisei | 5,569.81 mi (8,963.74 km) |
| SeaTac to Moldova Noua | 5,703.52 mi (9,178.93 km) |
| SeaTac to Moreni | 5,761.13 mi (9,271.65 km) |
| SeaTac to Motru | 5,723.39 mi (9,210.90 km) |
| SeaTac to Murfatlar | 5,860.58 mi (9,431.70 km) |
