| Clarksburg to Krosno Odrzanskie | 4,241.57 mi (6,826.15 km) |
| Clarksburg to Krotoszyn | 4,340.39 mi (6,985.18 km) |
| Clarksburg to Kruszwica | 4,339.13 mi (6,983.16 km) |
| Clarksburg to Krynica | 4,554.04 mi (7,329.01 km) |
| Clarksburg to Krzeszowice | 4,477.54 mi (7,205.90 km) |
| Clarksburg to Kudowa-Zdroj | 4,337.96 mi (6,981.26 km) |
| Clarksburg to Kutno | 4,392.33 mi (7,068.77 km) |
| Clarksburg to Kwidzyn | 4,324.30 mi (6,959.29 km) |
| Clarksburg to Lancut | 4,577.09 mi (7,366.11 km) |
| Clarksburg to Lapy | 4,490.57 mi (7,226.87 km) |
| Clarksburg to Lask | 4,406.55 mi (7,091.66 km) |
| Clarksburg to Laziska Gorne | 4,447.38 mi (7,157.36 km) |
| Clarksburg to Lebork | 4,255.12 mi (6,847.96 km) |
| Clarksburg to Leczna | 4,553.97 mi (7,328.90 km) |
| Clarksburg to Leczyca | 4,392.73 mi (7,069.41 km) |
