| Clarksburg to Kluczbork | 4,393.93 mi (7,071.35 km) |
| Clarksburg to Knurow | 4,438.68 mi (7,143.37 km) |
| Clarksburg to Kobylka | 4,454.93 mi (7,169.52 km) |
| Clarksburg to Kokoszki | 4,287.74 mi (6,900.44 km) |
| Clarksburg to Kolbuszowa | 4,552.87 mi (7,327.14 km) |
| Clarksburg to Kolno | 4,441.57 mi (7,148.02 km) |
| Clarksburg to Kolo | 4,366.75 mi (7,027.61 km) |
| Clarksburg to Kolobrzeg | 4,190.02 mi (6,743.19 km) |
| Clarksburg to Koluszki | 4,425.33 mi (7,121.88 km) |
| Clarksburg to Komorniki | 4,293.40 mi (6,909.56 km) |
| Clarksburg to Konin | 4,352.76 mi (7,005.09 km) |
| Clarksburg to Konskie | 4,467.83 mi (7,190.27 km) |
| Clarksburg to Konstancin-Jeziorna | 4,461.07 mi (7,179.39 km) |
| Clarksburg to Konstantynow Lodzki | 4,408.23 mi (7,094.36 km) |
| Clarksburg to Koronowo | 4,302.98 mi (6,924.97 km) |
