| Boone to Kidricevo | 4,779.29 mi (7,691.52 km) |
| Boone to Kobarid | 4,693.62 mi (7,553.65 km) |
| Boone to Kobilje | 4,793.58 mi (7,714.52 km) |
| Boone to Kocevje | 4,767.81 mi (7,673.05 km) |
| Boone to Komen | 4,715.67 mi (7,589.14 km) |
| Boone to Komenda | 4,734.69 mi (7,619.74 km) |
| Boone to Koper | 4,724.18 mi (7,602.84 km) |
| Boone to Kostanjevica na Krki | 4,783.96 mi (7,699.05 km) |
| Boone to Kostel | 4,774.67 mi (7,684.09 km) |
| Boone to Kozje | 4,781.35 mi (7,694.84 km) |
| Boone to Kranj | 4,726.68 mi (7,606.85 km) |
| Boone to Kranjska Gora | 4,694.03 mi (7,554.31 km) |
| Boone to Krizevci | 4,787.56 mi (7,704.84 km) |
| Boone to Krsko | 4,782.67 mi (7,696.96 km) |
| Boone to Kuzma | 4,775.59 mi (7,685.57 km) |
