| Plovdiv to Odessa (Texas) | 6,318.50 mi (10,168.65 km) |
| Plovdiv to Ogden (Utah) | 6,074.46 mi (9,775.90 km) |
| Plovdiv to Oildale (California) | 6,608.37 mi (10,635.15 km) |
| Plovdiv to Ojus (Florida) | 5,733.45 mi (9,227.09 km) |
| Plovdiv to Okemos (Michigan) | 5,110.16 mi (8,224.01 km) |
| Plovdiv to Oklahoma City (Oklahoma) | 5,952.74 mi (9,580.00 km) |
| Plovdiv to Okmulgee (Oklahoma) | 5,891.25 mi (9,481.05 km) |
| Plovdiv to Olathe (Kansas) | 5,676.50 mi (9,135.45 km) |
| Plovdiv to Old Jamestown (Missouri) | 5,516.04 mi (8,877.21 km) |
| Plovdiv to Oldsmar (Florida) | 5,743.42 mi (9,243.14 km) |
| Plovdiv to Olean (New York) | 4,911.08 mi (7,903.61 km) |
| Plovdiv to Olive Branch (Mississippi) | 5,695.77 mi (9,166.45 km) |
| Plovdiv to Olivehurst (California) | 6,439.41 mi (10,363.23 km) |
| Plovdiv to Olney (Maryland) | 4,987.85 mi (8,027.16 km) |
| Plovdiv to Olympia (Washington) | 5,963.57 mi (9,597.43 km) |
