| Clarksburg to Kidricevo | 4,461.26 mi (7,179.70 km) |
| Clarksburg to Kobarid | 4,375.56 mi (7,041.79 km) |
| Clarksburg to Kobilje | 4,475.60 mi (7,202.78 km) |
| Clarksburg to Kocevje | 4,449.76 mi (7,161.19 km) |
| Clarksburg to Komen | 4,397.63 mi (7,077.30 km) |
| Clarksburg to Komenda | 4,416.63 mi (7,107.88 km) |
| Clarksburg to Koper | 4,406.15 mi (7,091.02 km) |
| Clarksburg to Kostanjevica na Krki | 4,465.90 mi (7,187.18 km) |
| Clarksburg to Kostel | 4,456.62 mi (7,172.23 km) |
| Clarksburg to Kozje | 4,463.30 mi (7,182.99 km) |
| Clarksburg to Kranj | 4,408.61 mi (7,094.98 km) |
| Clarksburg to Kranjska Gora | 4,375.97 mi (7,042.44 km) |
| Clarksburg to Krizevci | 4,469.56 mi (7,193.06 km) |
| Clarksburg to Krsko | 4,464.61 mi (7,185.10 km) |
| Clarksburg to Kuzma | 4,457.61 mi (7,173.83 km) |
