| Kardzhali to Oak Harbor (Washington) | 5,922.80 mi (9,531.82 km) |
| Kardzhali to Oak Hills (Oregon) | 6,101.57 mi (9,819.54 km) |
| Kardzhali to Oak Lawn (Illinois) | 5,327.28 mi (8,573.42 km) |
| Kardzhali to Oak Park (California) | 6,724.56 mi (10,822.13 km) |
| Kardzhali to Oak Park (Illinois) | 5,320.13 mi (8,561.92 km) |
| Kardzhali to Oak Park (Michigan) | 5,122.40 mi (8,243.70 km) |
| Kardzhali to Oak Ridge (Florida) | 5,713.62 mi (9,195.18 km) |
| Kardzhali to Oak Ridge (New Jersey) | 4,846.19 mi (7,799.18 km) |
| Kardzhali to Oak Ridge (Tennessee) | 5,474.49 mi (8,810.33 km) |
| Kardzhali to Oakdale (California) | 6,551.26 mi (10,543.24 km) |
| Kardzhali to Oakdale (Minnesota) | 5,344.22 mi (8,600.69 km) |
| Kardzhali to Oakland (California) | 6,580.11 mi (10,589.66 km) |
| Kardzhali to Oakland (New Jersey) | 4,835.76 mi (7,782.41 km) |
| Kardzhali to Oakland Park (Florida) | 5,767.06 mi (9,281.19 km) |
| Kardzhali to Oakleaf Plantation (Florida) | 5,650.54 mi (9,093.67 km) |
