| Kardzhali to Reinbek | 1,076.18 mi (1,731.94 km) |
| Kardzhali to Reinfeld | 1,084.89 mi (1,745.96 km) |
| Kardzhali to Reinheim | 973.80 mi (1,567.18 km) |
| Kardzhali to Reiskirchen | 1,000.79 mi (1,610.62 km) |
| Kardzhali to Rellingen | 1,095.76 mi (1,763.45 km) |
| Kardzhali to Remagen | 1,060.84 mi (1,707.26 km) |
| Kardzhali to Remscheid | 1,082.56 mi (1,742.21 km) |
| Kardzhali to Rendsburg | 1,131.10 mi (1,820.33 km) |
| Kardzhali to Renningen | 935.96 mi (1,506.28 km) |
| Kardzhali to Reutlingen | 915.97 mi (1,474.12 km) |
| Kardzhali to Rhaude | 1,146.11 mi (1,844.49 km) |
| Kardzhali to Rheda-Wiedenbruck | 1,067.07 mi (1,717.29 km) |
| Kardzhali to Rhede | 1,124.05 mi (1,808.98 km) |
| Kardzhali to Rheinau | 974.67 mi (1,568.57 km) |
| Kardzhali to Rheinbach | 1,073.46 mi (1,727.57 km) |
