| Bolu to Kamen | 1,359.68 mi (2,188.20 km) |
| Bolu to Kamenz | 1,106.51 mi (1,780.76 km) |
| Bolu to Kamp-Lintfort | 1,401.93 mi (2,256.19 km) |
| Bolu to Kandel | 1,275.28 mi (2,052.36 km) |
| Bolu to Kappeln | 1,382.81 mi (2,225.41 km) |
| Bolu to Karben | 1,278.65 mi (2,057.78 km) |
| Bolu to Karlsdorf-Neuthard | 1,261.67 mi (2,030.46 km) |
| Bolu to Karlsfeld | 1,114.80 mi (1,794.09 km) |
| Bolu to Karlsruhe | 1,264.91 mi (2,035.67 km) |
| Bolu to Kassel | 1,280.15 mi (2,060.20 km) |
| Bolu to Kaufbeuren | 1,144.12 mi (1,841.28 km) |
| Bolu to Kaufering | 1,137.08 mi (1,829.95 km) |
| Bolu to Kaufungen | 1,274.41 mi (2,050.97 km) |
| Bolu to Kehl | 1,281.48 mi (2,062.35 km) |
| Bolu to Kelheim | 1,115.58 mi (1,795.35 km) |
