| Bolu to Jicin | 1,029.08 mi (1,656.14 km) |
| Bolu to Jihlava | 981.18 mi (1,579.05 km) |
| Bolu to Jindrichuv Hradec | 995.02 mi (1,601.33 km) |
| Bolu to Jirkov | 1,102.00 mi (1,773.50 km) |
| Bolu to Kadan | 1,104.37 mi (1,777.31 km) |
| Bolu to Karlovy Vary | 1,114.76 mi (1,794.03 km) |
| Bolu to Karvina | 892.14 mi (1,435.75 km) |
| Bolu to Kladno | 1,064.91 mi (1,713.80 km) |
| Bolu to Klasterec nad Ohri | 1,108.48 mi (1,783.93 km) |
| Bolu to Klatovy | 1,071.07 mi (1,723.72 km) |
| Bolu to Kolin | 1,019.02 mi (1,639.96 km) |
| Bolu to Koprivnice | 894.87 mi (1,440.15 km) |
| Bolu to Kralupy nad Vltavou | 1,060.18 mi (1,706.19 km) |
| Bolu to Kraluv Dvur | 1,060.38 mi (1,706.52 km) |
| Bolu to Krnov | 931.51 mi (1,499.13 km) |
