| Boone to Krosno Odrzanskie | 4,557.93 mi (7,335.28 km) |
| Boone to Krotoszyn | 4,656.49 mi (7,493.89 km) |
| Boone to Kruszwica | 4,654.39 mi (7,490.52 km) |
| Boone to Krynica | 4,870.61 mi (7,838.50 km) |
| Boone to Krzeszowice | 4,794.03 mi (7,715.25 km) |
| Boone to Kudowa-Zdroj | 4,654.92 mi (7,491.37 km) |
| Boone to Kutno | 4,707.63 mi (7,576.20 km) |
| Boone to Kwidzyn | 4,638.60 mi (7,465.10 km) |
| Boone to Lancut | 4,893.04 mi (7,874.58 km) |
| Boone to Lapy | 4,804.28 mi (7,731.75 km) |
| Boone to Lask | 4,722.33 mi (7,599.85 km) |
| Boone to Laziska Gorne | 4,764.02 mi (7,666.94 km) |
| Boone to Lebork | 4,569.06 mi (7,353.20 km) |
| Boone to Leczna | 4,868.96 mi (7,835.84 km) |
| Boone to Leczyca | 4,708.19 mi (7,577.11 km) |
