| Karlovac to Bobenheim-Roxheim | 438.67 mi (705.98 km) |
| Karlovac to Bobingen | 294.80 mi (474.43 km) |
| Karlovac to Boblingen | 378.56 mi (609.23 km) |
| Karlovac to Bocholt | 598.08 mi (962.52 km) |
| Karlovac to Bochum | 562.74 mi (905.65 km) |
| Karlovac to Bockenem | 513.85 mi (826.97 km) |
| Karlovac to Bockhorn | 642.43 mi (1,033.89 km) |
| Karlovac to Bogen | 272.69 mi (438.85 km) |
| Karlovac to Bohl-Iggelheim | 431.81 mi (694.93 km) |
| Karlovac to Bohmte | 577.32 mi (929.11 km) |
| Karlovac to Boizenburg | 586.07 mi (943.18 km) |
| Karlovac to Bonen | 552.13 mi (888.57 km) |
| Karlovac to Bonn | 531.89 mi (855.99 km) |
| Karlovac to Bopfingen | 337.40 mi (543.00 km) |
| Karlovac to Boppard | 493.25 mi (793.81 km) |
