| Haskovo to Orangevale (California) | 6,488.20 mi (10,441.75 km) |
| Haskovo to Orchards (Washington) | 6,071.85 mi (9,771.69 km) |
| Haskovo to Orcutt (California) | 6,710.13 mi (10,798.91 km) |
| Haskovo to Oregon (Ohio) | 5,164.12 mi (8,310.85 km) |
| Haskovo to Oregon (Wisconsin) | 5,318.83 mi (8,559.83 km) |
| Haskovo to Oregon City (Oregon) | 6,095.08 mi (9,809.09 km) |
| Haskovo to Orem (Utah) | 6,157.19 mi (9,909.04 km) |
| Haskovo to Orinda (California) | 6,560.20 mi (10,557.63 km) |
| Haskovo to Orland Park (Illinois) | 5,329.82 mi (8,577.51 km) |
| Haskovo to Orlando (Florida) | 5,708.28 mi (9,186.59 km) |
| Haskovo to Ormond Beach (Florida) | 5,658.59 mi (9,106.62 km) |
| Haskovo to Oro Valley (Arizona) | 6,605.24 mi (10,630.10 km) |
| Haskovo to Oroville (California) | 6,444.42 mi (10,371.29 km) |
| Haskovo to Oshkosh (Wisconsin) | 5,235.53 mi (8,425.77 km) |
| Haskovo to Oskaloosa (Iowa) | 5,514.81 mi (8,875.23 km) |
