| Haskovo to Odessa (Texas) | 6,357.81 mi (10,231.90 km) |
| Haskovo to Ogden (Utah) | 6,108.78 mi (9,831.13 km) |
| Haskovo to Oildale (California) | 6,641.60 mi (10,688.62 km) |
| Haskovo to Ojus (Florida) | 5,777.34 mi (9,297.73 km) |
| Haskovo to Okemos (Michigan) | 5,150.71 mi (8,289.27 km) |
| Haskovo to Oklahoma City (Oklahoma) | 5,992.40 mi (9,643.84 km) |
| Haskovo to Okmulgee (Oklahoma) | 5,931.22 mi (9,545.37 km) |
| Haskovo to Olathe (Kansas) | 5,715.98 mi (9,198.99 km) |
| Haskovo to Old Jamestown (Missouri) | 5,556.44 mi (8,942.23 km) |
| Haskovo to Oldsmar (Florida) | 5,786.85 mi (9,313.03 km) |
| Haskovo to Olean (New York) | 4,952.69 mi (7,970.58 km) |
| Haskovo to Olive Branch (Mississippi) | 5,737.07 mi (9,232.92 km) |
| Haskovo to Olivehurst (California) | 6,470.84 mi (10,413.80 km) |
| Haskovo to Olney (Maryland) | 5,030.24 mi (8,095.39 km) |
| Haskovo to Olympia (Washington) | 5,992.67 mi (9,644.27 km) |
