| Kardzhali to Ridgeland (Mississippi) | 5,882.90 mi (9,467.62 km) |
| Kardzhali to Ridgewood (New Jersey) | 4,832.63 mi (7,777.37 km) |
| Kardzhali to Rifle (Colorado) | 6,103.55 mi (9,822.72 km) |
| Kardzhali to Rincon (Georgia) | 5,523.65 mi (8,889.46 km) |
| Kardzhali to Ringwood (New Jersey) | 4,833.93 mi (7,779.46 km) |
| Kardzhali to Río Grande (Puerto Rico) | 5,442.98 mi (8,759.64 km) |
| Kardzhali to Rio Grande City (Texas) | 6,538.82 mi (10,523.21 km) |
| Kardzhali to Rio Linda (California) | 6,506.39 mi (10,471.02 km) |
| Kardzhali to Rio Rancho (New Mexico) | 6,316.28 mi (10,165.07 km) |
| Kardzhali to Rio Rico (Arizona) | 6,670.10 mi (10,734.49 km) |
| Kardzhali to Ripon (California) | 6,558.98 mi (10,555.66 km) |
| Kardzhali to River Edge (New Jersey) | 4,831.97 mi (7,776.30 km) |
| Kardzhali to River Falls (Wisconsin) | 5,339.46 mi (8,593.04 km) |
| Kardzhali to River Forest (Illinois) | 5,320.82 mi (8,563.03 km) |
| Kardzhali to River Grove (Illinois) | 5,320.05 mi (8,561.80 km) |
