| Karlovac to Pyskowice | 367.03 mi (590.69 km) |
| Karlovac to Raciborz | 341.31 mi (549.29 km) |
| Karlovac to Radom | 482.75 mi (776.91 km) |
| Karlovac to Radomsko | 425.27 mi (684.41 km) |
| Karlovac to Radzionkow Nowy | 371.97 mi (598.62 km) |
| Karlovac to Radzymin | 542.59 mi (873.21 km) |
| Karlovac to Radzyn Podlaski | 541.48 mi (871.43 km) |
| Karlovac to Rawa Mazowiecka | 484.07 mi (779.03 km) |
| Karlovac to Rawicz | 427.44 mi (687.90 km) |
| Karlovac to Reda | 643.03 mi (1,034.86 km) |
| Karlovac to Rogozno | 506.26 mi (814.75 km) |
| Karlovac to Ropczyce | 422.73 mi (680.32 km) |
| Karlovac to Ruda Slaska | 363.91 mi (585.65 km) |
| Karlovac to Rumia | 640.09 mi (1,030.12 km) |
| Karlovac to Rury | 509.83 mi (820.49 km) |
