| Ortahisar to Oswego (Illinois) | 5,839.52 mi (9,397.79 km) |
| Ortahisar to Oswego (New York) | 5,329.61 mi (8,577.17 km) |
| Ortahisar to Otsego (Minnesota) | 5,817.10 mi (9,361.72 km) |
| Ortahisar to Ottawa (Illinois) | 5,873.20 mi (9,452.00 km) |
| Ortahisar to Ottawa (Kansas) | 6,234.76 mi (10,033.88 km) |
| Ortahisar to Ottumwa (Iowa) | 6,010.19 mi (9,672.47 km) |
| Ortahisar to Overland (Missouri) | 6,066.19 mi (9,762.59 km) |
| Ortahisar to Overland Park (Kansas) | 6,200.23 mi (9,978.31 km) |
| Ortahisar to Overlea (Maryland) | 5,519.42 mi (8,882.65 km) |
| Ortahisar to Oviedo (Florida) | 6,225.37 mi (10,018.77 km) |
| Ortahisar to Owasso (Oklahoma) | 6,381.66 mi (10,270.28 km) |
| Ortahisar to Owatonna (Minnesota) | 5,869.28 mi (9,445.69 km) |
| Ortahisar to Owensboro (Kentucky) | 6,000.46 mi (9,656.81 km) |
| Ortahisar to Owings Mills (Maryland) | 5,528.01 mi (8,896.48 km) |
| Ortahisar to Owosso (Michigan) | 5,629.36 mi (9,059.57 km) |
