| Kardzhali to Pyskowice | 684.17 mi (1,101.06 km) |
| Kardzhali to Raciborz | 675.53 mi (1,087.16 km) |
| Kardzhali to Radom | 702.69 mi (1,130.87 km) |
| Kardzhali to Radomsko | 708.60 mi (1,140.38 km) |
| Kardzhali to Radzionkow Nowy | 678.26 mi (1,091.55 km) |
| Kardzhali to Radzymin | 769.21 mi (1,237.93 km) |
| Kardzhali to Radzyn Podlaski | 711.92 mi (1,145.73 km) |
| Kardzhali to Rawa Mazowiecka | 739.26 mi (1,189.73 km) |
| Kardzhali to Rawicz | 796.59 mi (1,281.99 km) |
| Kardzhali to Reda | 951.40 mi (1,531.12 km) |
| Kardzhali to Rogozno | 860.27 mi (1,384.47 km) |
| Kardzhali to Ropczyce | 607.59 mi (977.82 km) |
| Kardzhali to Ruda Slaska | 671.69 mi (1,080.99 km) |
| Kardzhali to Rumia | 947.44 mi (1,524.75 km) |
| Kardzhali to Rury | 676.12 mi (1,088.12 km) |
