| SeaTac to Karahalli | 6,261.94 mi (10,077.62 km) |
| SeaTac to Karakocan | 6,369.18 mi (10,250.20 km) |
| SeaTac to Karakopru | 6,474.00 mi (10,418.89 km) |
| SeaTac to Karaman | 6,397.40 mi (10,295.62 km) |
| SeaTac to Karapinar | 6,367.13 mi (10,246.91 km) |
| SeaTac to Karatas | 6,470.76 mi (10,413.69 km) |
| SeaTac to Karatepe | 6,111.19 mi (9,835.01 km) |
| SeaTac to Karayilan | 6,472.41 mi (10,416.33 km) |
| SeaTac to Kargipinar | 6,449.78 mi (10,379.92 km) |
| SeaTac to Karkamis | 6,487.82 mi (10,441.14 km) |
| SeaTac to Karliova | 6,356.05 mi (10,229.07 km) |
| SeaTac to Kars | 6,287.27 mi (10,118.38 km) |
| SeaTac to Kartal | 6,088.16 mi (9,797.95 km) |
| SeaTac to Kas | 6,402.62 mi (10,304.03 km) |
| SeaTac to Kastamonu | 6,127.24 mi (9,860.84 km) |
