| Karlovac to Ratzeburg | 606.71 mi (976.41 km) |
| Karlovac to Raubling | 228.16 mi (367.18 km) |
| Karlovac to Rauenberg | 413.22 mi (665.02 km) |
| Karlovac to Raunheim | 454.49 mi (731.44 km) |
| Karlovac to Ravensburg | 323.34 mi (520.37 km) |
| Karlovac to Recke | 593.23 mi (954.72 km) |
| Karlovac to Recklinghausen | 569.38 mi (916.33 km) |
| Karlovac to Regen | 266.02 mi (428.12 km) |
| Karlovac to Regensburg | 293.25 mi (471.94 km) |
| Karlovac to Regenstauf | 298.20 mi (479.90 km) |
| Karlovac to Rehau | 367.72 mi (591.78 km) |
| Karlovac to Rehburg-Loccum | 560.32 mi (901.75 km) |
| Karlovac to Rehlingen-Siersburg | 493.50 mi (794.22 km) |
| Karlovac to Reichelsheim | 427.74 mi (688.38 km) |
| Karlovac to Reichenbach/Vogtland | 385.04 mi (619.67 km) |
