| Clarksburg to Koscian | 4,297.71 mi (6,916.49 km) |
| Clarksburg to Koscielisko | 4,518.16 mi (7,271.28 km) |
| Clarksburg to Koscierzyna | 4,277.80 mi (6,884.45 km) |
| Clarksburg to Kostrzyn | 4,308.35 mi (6,933.62 km) |
| Clarksburg to Kostrzyn nad Odra | 4,207.46 mi (6,771.25 km) |
| Clarksburg to Koszalin | 4,211.01 mi (6,776.97 km) |
| Clarksburg to Kowary | 4,310.46 mi (6,937.01 km) |
| Clarksburg to Kozienice | 4,495.73 mi (7,235.17 km) |
| Clarksburg to Kozuchow | 4,269.63 mi (6,871.31 km) |
| Clarksburg to Kozy | 4,468.96 mi (7,192.09 km) |
| Clarksburg to Krakow | 4,491.60 mi (7,228.53 km) |
| Clarksburg to Krapkowice | 4,402.70 mi (7,085.46 km) |
| Clarksburg to Krasnik | 4,544.28 mi (7,313.32 km) |
| Clarksburg to Krasnystaw | 4,576.89 mi (7,365.79 km) |
| Clarksburg to Krosno | 4,573.67 mi (7,360.60 km) |
