| Demir Hisar to Orangevale (California) | 6,429.95 mi (10,348.00 km) |
| Demir Hisar to Orchards (Washington) | 6,028.78 mi (9,702.38 km) |
| Demir Hisar to Orcutt (California) | 6,643.11 mi (10,691.05 km) |
| Demir Hisar to Oregon (Ohio) | 5,028.98 mi (8,093.37 km) |
| Demir Hisar to Oregon (Wisconsin) | 5,197.37 mi (8,364.36 km) |
| Demir Hisar to Oregon City (Oregon) | 6,051.59 mi (9,739.09 km) |
| Demir Hisar to Orem (Utah) | 6,077.19 mi (9,780.30 km) |
| Demir Hisar to Orinda (California) | 6,503.25 mi (10,465.97 km) |
| Demir Hisar to Orland Park (Illinois) | 5,202.30 mi (8,372.30 km) |
| Demir Hisar to Orlando (Florida) | 5,539.53 mi (8,915.01 km) |
| Demir Hisar to Ormond Beach (Florida) | 5,491.13 mi (8,837.12 km) |
| Demir Hisar to Oro Valley (Arizona) | 6,507.81 mi (10,473.31 km) |
| Demir Hisar to Oroville (California) | 6,388.47 mi (10,281.25 km) |
| Demir Hisar to Oshkosh (Wisconsin) | 5,115.36 mi (8,232.37 km) |
| Demir Hisar to Oskaloosa (Iowa) | 5,395.42 mi (8,683.10 km) |
