| Haskovo to Oakley (California) | 6,542.54 mi (10,529.19 km) |
| Haskovo to Oakton (Virginia) | 5,051.21 mi (8,129.14 km) |
| Haskovo to Oakville (Missouri) | 5,577.60 mi (8,976.29 km) |
| Haskovo to Oatfield (Oregon) | 6,090.62 mi (9,801.90 km) |
| Haskovo to Ocala (Florida) | 5,709.78 mi (9,189.00 km) |
| Haskovo to Ocean Acres (New Jersey) | 4,889.47 mi (7,868.83 km) |
| Haskovo to Ocean City (New Jersey) | 4,923.49 mi (7,923.59 km) |
| Haskovo to Ocean Pines (Maryland) | 4,985.05 mi (8,022.66 km) |
| Haskovo to Ocean Pointe (Hawaii) | 8,060.75 mi (12,972.52 km) |
| Haskovo to Ocean Springs (Mississippi) | 5,926.43 mi (9,537.67 km) |
| Haskovo to Oceanside (California) | 6,734.59 mi (10,838.28 km) |
| Haskovo to Oceanside (New York) | 4,824.45 mi (7,764.20 km) |
| Haskovo to Ocoee (Florida) | 5,711.90 mi (9,192.41 km) |
| Haskovo to Oconomowoc (Wisconsin) | 5,278.75 mi (8,495.32 km) |
| Haskovo to Odenton (Maryland) | 5,018.44 mi (8,076.39 km) |
