| Kardzhali to Ukiah (California) | 6,515.41 mi (10,485.54 km) |
| Kardzhali to Union (Missouri) | 5,609.10 mi (9,026.97 km) |
| Kardzhali to Union City (California) | 6,587.56 mi (10,601.66 km) |
| Kardzhali to Union City (Georgia) | 5,600.08 mi (9,012.45 km) |
| Kardzhali to Union City (New Jersey) | 4,838.53 mi (7,786.87 km) |
| Kardzhali to Union City (Tennessee) | 5,637.87 mi (9,073.27 km) |
| Kardzhali to Union Hill-Novelty Hill (Washington) | 5,950.70 mi (9,576.73 km) |
| Kardzhali to Union Park (Florida) | 5,701.22 mi (9,175.23 km) |
| Kardzhali to Uniondale (New York) | 4,822.68 mi (7,761.35 km) |
| Kardzhali to Universal City (Texas) | 6,347.60 mi (10,215.47 km) |
| Kardzhali to University (Florida) | 5,777.08 mi (9,297.31 km) |
| Kardzhali to University City (Missouri) | 5,573.36 mi (8,969.46 km) |
| Kardzhali to University Heights (Ohio) | 5,104.81 mi (8,215.40 km) |
| Kardzhali to University of California-Santa Barbara (California) | 6,737.35 mi (10,842.72 km) |
| Kardzhali to University Park (Texas) | 6,114.01 mi (9,839.55 km) |
