| SeaTac to Koscian | 5,145.51 mi (8,280.89 km) |
| SeaTac to Koscielisko | 5,381.58 mi (8,660.82 km) |
| SeaTac to Koscierzyna | 5,045.75 mi (8,120.34 km) |
| SeaTac to Kostrzyn | 5,137.51 mi (8,268.03 km) |
| SeaTac to Kostrzyn nad Odra | 5,075.28 mi (8,167.87 km) |
| SeaTac to Koszalin | 5,007.07 mi (8,058.09 km) |
| SeaTac to Kowary | 5,208.26 mi (8,381.88 km) |
| SeaTac to Kozienice | 5,268.09 mi (8,478.18 km) |
| SeaTac to Kozuchow | 5,145.04 mi (8,280.14 km) |
| SeaTac to Kozy | 5,331.09 mi (8,579.55 km) |
| SeaTac to Krakow | 5,333.92 mi (8,584.12 km) |
| SeaTac to Krapkowice | 5,270.86 mi (8,482.63 km) |
| SeaTac to Krasnik | 5,321.60 mi (8,564.29 km) |
| SeaTac to Krasnystaw | 5,334.12 mi (8,584.44 km) |
| SeaTac to Krosno | 5,391.21 mi (8,676.32 km) |
