| Bolu to Kothen | 1,203.49 mi (1,936.83 km) |
| Bolu to Kranenburg | 1,430.37 mi (2,301.96 km) |
| Bolu to Krefeld | 1,396.28 mi (2,247.10 km) |
| Bolu to Kressbronn am Bodensee | 1,184.02 mi (1,905.49 km) |
| Bolu to Kreuzau | 1,384.84 mi (2,228.69 km) |
| Bolu to Kreuztal | 1,330.53 mi (2,141.29 km) |
| Bolu to Kriftel | 1,287.24 mi (2,071.61 km) |
| Bolu to Kronach | 1,175.63 mi (1,892.00 km) |
| Bolu to Kronberg | 1,288.40 mi (2,073.48 km) |
| Bolu to Kronshagen | 1,364.83 mi (2,196.48 km) |
| Bolu to Krumbach | 1,163.32 mi (1,872.18 km) |
| Bolu to Kulmbach | 1,167.17 mi (1,878.38 km) |
| Bolu to Kummersbruck | 1,128.84 mi (1,816.70 km) |
| Bolu to Kunzell | 1,248.92 mi (2,009.95 km) |
| Bolu to Kunzelsau | 1,216.67 mi (1,958.04 km) |
