| Plovdiv to Oak Harbor (Washington) | 5,879.21 mi (9,461.67 km) |
| Plovdiv to Oak Hills (Oregon) | 6,057.70 mi (9,748.93 km) |
| Plovdiv to Oak Lawn (Illinois) | 5,280.42 mi (8,498.02 km) |
| Plovdiv to Oak Park (California) | 6,678.88 mi (10,748.62 km) |
| Plovdiv to Oak Park (Illinois) | 5,273.27 mi (8,486.51 km) |
| Plovdiv to Oak Park (Michigan) | 5,075.63 mi (8,168.44 km) |
| Plovdiv to Oak Ridge (Florida) | 5,668.48 mi (9,122.53 km) |
| Plovdiv to Oak Ridge (New Jersey) | 4,799.98 mi (7,724.83 km) |
| Plovdiv to Oak Ridge (Tennessee) | 5,428.11 mi (8,735.70 km) |
| Plovdiv to Oakdale (California) | 6,506.22 mi (10,470.75 km) |
| Plovdiv to Oakdale (Minnesota) | 5,297.38 mi (8,525.30 km) |
| Plovdiv to Oakland (California) | 6,535.30 mi (10,517.55 km) |
| Plovdiv to Oakland (New Jersey) | 4,789.58 mi (7,708.09 km) |
| Plovdiv to Oakland Park (Florida) | 5,722.50 mi (9,209.47 km) |
| Plovdiv to Oakleaf Plantation (Florida) | 5,605.09 mi (9,020.51 km) |
