| Kardzhali to Odessa (Texas) | 6,365.40 mi (10,244.12 km) |
| Kardzhali to Ogden (Utah) | 6,120.38 mi (9,849.81 km) |
| Kardzhali to Oildale (California) | 6,653.91 mi (10,708.43 km) |
| Kardzhali to Ojus (Florida) | 5,777.97 mi (9,298.74 km) |
| Kardzhali to Okemos (Michigan) | 5,156.97 mi (8,299.35 km) |
| Kardzhali to Oklahoma City (Oklahoma) | 5,999.63 mi (9,655.47 km) |
| Kardzhali to Okmulgee (Oklahoma) | 5,938.12 mi (9,556.49 km) |
| Kardzhali to Olathe (Kansas) | 5,723.40 mi (9,210.92 km) |
| Kardzhali to Old Jamestown (Missouri) | 5,562.87 mi (8,952.58 km) |
| Kardzhali to Oldsmar (Florida) | 5,788.66 mi (9,315.95 km) |
| Kardzhali to Olean (New York) | 4,957.62 mi (7,978.52 km) |
| Kardzhali to Olive Branch (Mississippi) | 5,742.41 mi (9,241.52 km) |
| Kardzhali to Olivehurst (California) | 6,484.21 mi (10,435.32 km) |
| Kardzhali to Olney (Maryland) | 5,034.02 mi (8,101.47 km) |
| Kardzhali to Olympia (Washington) | 6,007.26 mi (9,667.74 km) |
