| SeaTac to Jozefow | 5,227.61 mi (8,413.02 km) |
| SeaTac to Kalisz | 5,193.21 mi (8,357.66 km) |
| SeaTac to Kamien Pomorski | 4,993.77 mi (8,036.69 km) |
| SeaTac to Kamienna Gora | 5,212.84 mi (8,389.25 km) |
| SeaTac to Karczew | 5,231.05 mi (8,418.55 km) |
| SeaTac to Kartuzy | 5,036.34 mi (8,105.20 km) |
| SeaTac to Katowice | 5,303.62 mi (8,535.35 km) |
| SeaTac to Kedzierzyn-Kozle | 5,282.65 mi (8,501.60 km) |
| SeaTac to Kepno | 5,220.67 mi (8,401.86 km) |
| SeaTac to Ketrzyn | 5,107.67 mi (8,219.99 km) |
| SeaTac to Kety | 5,330.29 mi (8,578.28 km) |
| SeaTac to Kielce | 5,295.92 mi (8,522.96 km) |
| SeaTac to Kielczow | 5,213.79 mi (8,390.79 km) |
| SeaTac to Klobuck | 5,261.59 mi (8,467.71 km) |
| SeaTac to Klodzko | 5,246.77 mi (8,443.86 km) |
