| Kennewick to Karditsa | 6,054.50 mi (9,743.78 km) |
| Kennewick to Kastoria | 5,967.99 mi (9,604.56 km) |
| Kennewick to Katerini | 6,011.82 mi (9,675.09 km) |
| Kennewick to Keratsini | 6,181.12 mi (9,947.55 km) |
| Kennewick to Kerkyra | 5,991.29 mi (9,642.05 km) |
| Kennewick to Kiato | 6,158.43 mi (9,911.03 km) |
| Kennewick to Kifisia | 6,178.35 mi (9,943.09 km) |
| Kennewick to Kilkis | 5,975.31 mi (9,616.34 km) |
| Kennewick to Komotini | 6,023.01 mi (9,693.09 km) |
| Kennewick to Korinthos | 6,167.03 mi (9,924.88 km) |
| Kennewick to Koropi | 6,191.14 mi (9,963.68 km) |
| Kennewick to Korydallos | 6,180.84 mi (9,947.10 km) |
| Kennewick to Kos | 6,331.37 mi (10,189.36 km) |
| Kennewick to Kozani | 5,993.38 mi (9,645.42 km) |
| Kennewick to Lagos | 6,016.88 mi (9,683.23 km) |
