| Karlovac to Devnya | 613.36 mi (987.11 km) |
| Karlovac to Dimitrovgrad | 554.21 mi (891.91 km) |
| Karlovac to Dobrich | 618.73 mi (995.75 km) |
| Karlovac to Dospat | 505.78 mi (813.97 km) |
| Karlovac to Dupnitsa | 437.39 mi (703.90 km) |
| Karlovac to Elhovo | 594.41 mi (956.61 km) |
| Karlovac to Etropole | 456.83 mi (735.19 km) |
| Karlovac to Gabrovo | 517.00 mi (832.03 km) |
| Karlovac to Gorna Oryahovitsa | 527.02 mi (848.16 km) |
| Karlovac to Gotse Delchev | 490.84 mi (789.93 km) |
| Karlovac to Harmanli | 571.59 mi (919.89 km) |
| Karlovac to Haskovo | 556.64 mi (895.82 km) |
| Karlovac to Ihtiman | 461.54 mi (742.78 km) |
| Karlovac to Isperih | 567.84 mi (913.85 km) |
| Karlovac to Kardzhali | 557.73 mi (897.58 km) |
