| Karlovo to Roding | 742.89 mi (1,195.56 km) |
| Karlovo to Rodinghausen | 1,007.22 mi (1,620.96 km) |
| Karlovo to Roetgen | 1,037.21 mi (1,669.22 km) |
| Karlovo to Rommerskirchen | 1,029.65 mi (1,657.07 km) |
| Karlovo to Ronnenberg | 969.78 mi (1,560.71 km) |
| Karlovo to Rosbach vor der Hohe | 928.10 mi (1,493.63 km) |
| Karlovo to Rosdorf | 927.73 mi (1,493.04 km) |
| Karlovo to Rosenheim | 712.51 mi (1,146.67 km) |
| Karlovo to Rosrath | 1,006.37 mi (1,619.60 km) |
| Karlovo to Rossdorf | 911.76 mi (1,467.34 km) |
| Karlovo to Rosstal | 812.94 mi (1,308.29 km) |
| Karlovo to Rostock | 978.30 mi (1,574.42 km) |
| Karlovo to Rotenburg an der Fulda | 914.23 mi (1,471.32 km) |
| Karlovo to Roth | 799.54 mi (1,286.74 km) |
| Karlovo to Rothenbach an der Pegnitz | 801.78 mi (1,290.34 km) |
