| Karlovac to Rheinberg | 585.10 mi (941.62 km) |
| Karlovac to Rheine | 596.51 mi (960.00 km) |
| Karlovac to Rheinfelden (Baden) | 395.57 mi (636.61 km) |
| Karlovac to Ribnitz-Damgarten | 620.93 mi (999.29 km) |
| Karlovac to Richterich | 570.78 mi (918.59 km) |
| Karlovac to Riedlingen | 341.38 mi (549.39 km) |
| Karlovac to Riegelsberg | 480.83 mi (773.82 km) |
| Karlovac to Rielasingen-Worblingen | 354.28 mi (570.16 km) |
| Karlovac to Riesa | 415.50 mi (668.68 km) |
| Karlovac to Rietberg | 543.55 mi (874.76 km) |
| Karlovac to Rinteln | 548.42 mi (882.60 km) |
| Karlovac to Ritterhude | 613.18 mi (986.81 km) |
| Karlovac to Rodenbach | 441.69 mi (710.84 km) |
| Karlovac to Rodental | 391.17 mi (629.53 km) |
| Karlovac to Rodgau | 440.16 mi (708.37 km) |
