| Karlovac to Rodez | 638.92 mi (1,028.24 km) |
| Karlovac to Rognac | 526.53 mi (847.37 km) |
| Karlovac to Roissy-en-Brie | 646.86 mi (1,041.02 km) |
| Karlovac to Romainville | 658.11 mi (1,059.13 km) |
| Karlovac to Romans-sur-Isere | 511.06 mi (822.47 km) |
| Karlovac to Rombas | 512.78 mi (825.24 km) |
| Karlovac to Romilly-sur-Seine | 594.47 mi (956.70 km) |
| Karlovac to Ronchin | 674.42 mi (1,085.37 km) |
| Karlovac to Roncq | 677.86 mi (1,090.92 km) |
| Karlovac to Roquebrune-sur-Argens | 461.23 mi (742.28 km) |
| Karlovac to Roquevaire | 512.09 mi (824.12 km) |
| Karlovac to Rosny-sous-Bois | 655.67 mi (1,055.21 km) |
| Karlovac to Roubaix | 673.45 mi (1,083.82 km) |
| Karlovac to Rouen | 727.34 mi (1,170.53 km) |
| Karlovac to Rouvroy | 675.28 mi (1,086.75 km) |
