| Herndon to Krosno Odrzanskie | 4,258.68 mi (6,853.68 km) |
| Herndon to Krotoszyn | 4,357.55 mi (7,012.81 km) |
| Herndon to Kruszwica | 4,356.47 mi (7,011.05 km) |
| Herndon to Krynica | 4,571.09 mi (7,356.46 km) |
| Herndon to Krzeszowice | 4,494.61 mi (7,233.38 km) |
| Herndon to Kudowa-Zdroj | 4,354.90 mi (7,008.54 km) |
| Herndon to Kutno | 4,409.65 mi (7,096.64 km) |
| Herndon to Kwidzyn | 4,341.78 mi (6,987.43 km) |
| Herndon to Lancut | 4,594.29 mi (7,393.79 km) |
| Herndon to Lapy | 4,508.12 mi (7,255.12 km) |
| Herndon to Lask | 4,423.78 mi (7,119.39 km) |
| Herndon to Laziska Gorne | 4,464.42 mi (7,184.78 km) |
| Herndon to Lebork | 4,272.65 mi (6,876.17 km) |
| Herndon to Leczna | 4,571.34 mi (7,356.86 km) |
| Herndon to Leczyca | 4,410.02 mi (7,097.24 km) |
