| Karlovo to Rothenburg ob der Tauber | 839.93 mi (1,351.73 km) |
| Karlovo to Rottweil | 870.57 mi (1,401.04 km) |
| Karlovo to Rudersberg | 851.16 mi (1,369.81 km) |
| Karlovo to Rudesheim am Rhein | 948.47 mi (1,526.42 km) |
| Karlovo to Rudolstadt | 845.87 mi (1,361.29 km) |
| Karlovo to Runkel | 952.78 mi (1,533.36 km) |
| Karlovo to Ruppichteroth | 992.87 mi (1,597.86 km) |
| Karlovo to Russelsheim | 929.67 mi (1,496.16 km) |
| Karlovo to Rutesheim | 873.26 mi (1,405.38 km) |
| Karlovo to Ruthen | 978.09 mi (1,574.08 km) |
| Karlovo to Saalfeld | 841.76 mi (1,354.68 km) |
| Karlovo to Saarbrucken | 965.90 mi (1,554.46 km) |
| Karlovo to Saarlouis | 978.49 mi (1,574.73 km) |
| Karlovo to Saarwellingen | 977.13 mi (1,572.54 km) |
| Karlovo to Salzgitter | 939.99 mi (1,512.77 km) |
