| Karlovac to Rivarolo Canavese | 379.95 mi (611.47 km) |
| Karlovac to Rivoli | 391.41 mi (629.91 km) |
| Karlovac to Rocca di Papa | 293.25 mi (471.94 km) |
| Karlovac to Rocca Priora | 291.03 mi (468.37 km) |
| Karlovac to Roccapiemonte | 329.07 mi (529.59 km) |
| Karlovac to Roccastrada | 276.05 mi (444.26 km) |
| Karlovac to Romano di Lombardia | 280.83 mi (451.95 km) |
| Karlovac to Rome | 291.52 mi (469.16 km) |
| Karlovac to Roncade | 153.83 mi (247.57 km) |
| Karlovac to Ronchi dei Legionari | 101.91 mi (164.00 km) |
| Karlovac to Ronciglione | 276.14 mi (444.40 km) |
| Karlovac to Rosa | 183.58 mi (295.45 km) |
| Karlovac to Rosarno | 484.04 mi (778.98 km) |
| Karlovac to Rosignano Marittimo | 289.05 mi (465.19 km) |
| Karlovac to Rosolini | 599.61 mi (964.98 km) |
