| Demir Hisar to Oswego (Illinois) | 5,216.74 mi (8,395.54 km) |
| Demir Hisar to Oswego (New York) | 4,675.29 mi (7,524.16 km) |
| Demir Hisar to Otsego (Minnesota) | 5,234.99 mi (8,424.91 km) |
| Demir Hisar to Ottawa (Illinois) | 5,250.69 mi (8,450.17 km) |
| Demir Hisar to Ottawa (Kansas) | 5,625.85 mi (9,053.94 km) |
| Demir Hisar to Ottumwa (Iowa) | 5,400.69 mi (8,691.58 km) |
| Demir Hisar to Overland (Missouri) | 5,436.86 mi (8,749.78 km) |
| Demir Hisar to Overland Park (Kansas) | 5,590.13 mi (8,996.44 km) |
| Demir Hisar to Overlea (Maryland) | 4,845.79 mi (7,798.55 km) |
| Demir Hisar to Oviedo (Florida) | 5,524.43 mi (8,890.71 km) |
| Demir Hisar to Owasso (Oklahoma) | 5,764.41 mi (9,276.93 km) |
| Demir Hisar to Owatonna (Minnesota) | 5,279.15 mi (8,495.97 km) |
| Demir Hisar to Owensboro (Kentucky) | 5,354.19 mi (8,616.74 km) |
| Demir Hisar to Owings Mills (Maryland) | 4,855.37 mi (7,813.97 km) |
| Demir Hisar to Owosso (Michigan) | 4,997.78 mi (8,043.14 km) |
