| Clarksburg to Jozefow | 4,463.43 mi (7,183.20 km) |
| Clarksburg to Kalisz | 4,361.80 mi (7,019.65 km) |
| Clarksburg to Kamien Pomorski | 4,167.55 mi (6,707.03 km) |
| Clarksburg to Kamienna Gora | 4,318.36 mi (6,949.73 km) |
| Clarksburg to Karczew | 4,465.87 mi (7,187.12 km) |
| Clarksburg to Kartuzy | 4,278.18 mi (6,885.07 km) |
| Clarksburg to Katowice | 4,449.48 mi (7,160.75 km) |
| Clarksburg to Kedzierzyn-Kozle | 4,415.65 mi (7,106.30 km) |
| Clarksburg to Kepno | 4,374.71 mi (7,040.41 km) |
| Clarksburg to Ketrzyn | 4,398.06 mi (7,077.99 km) |
| Clarksburg to Kety | 4,470.28 mi (7,194.22 km) |
| Clarksburg to Kielce | 4,487.73 mi (7,222.31 km) |
| Clarksburg to Kielczow | 4,349.50 mi (6,999.85 km) |
| Clarksburg to Klobuck | 4,423.08 mi (7,118.26 km) |
| Clarksburg to Klodzko | 4,353.82 mi (7,006.79 km) |
