| Kardzhali to Reinosa | 1,502.30 mi (2,417.72 km) |
| Kardzhali to Requena | 1,391.72 mi (2,239.75 km) |
| Kardzhali to Reus | 1,253.50 mi (2,017.31 km) |
| Kardzhali to Rianxo | 1,740.44 mi (2,800.97 km) |
| Kardzhali to Ribadeo | 1,643.09 mi (2,644.30 km) |
| Kardzhali to Rincon de la Victoria | 1,615.65 mi (2,600.14 km) |
| Kardzhali to Ripoll | 1,188.35 mi (1,912.47 km) |
| Kardzhali to Ripollet | 1,196.07 mi (1,924.89 km) |
| Kardzhali to Rojales | 1,399.70 mi (2,252.60 km) |
| Kardzhali to Ronda | 1,660.61 mi (2,672.50 km) |
| Kardzhali to Roquetas de Mar | 1,528.42 mi (2,459.75 km) |
| Kardzhali to Rosas | 1,137.80 mi (1,831.11 km) |
| Kardzhali to Rubi | 1,202.50 mi (1,935.24 km) |
| Kardzhali to Rute | 1,605.30 mi (2,583.48 km) |
| Kardzhali to Sabadell | 1,198.12 mi (1,928.19 km) |
