| Istanbul to Oakley (California) | 6,672.15 mi (10,737.79 km) |
| Istanbul to Oakton (Virginia) | 5,228.00 mi (8,413.65 km) |
| Istanbul to Oakville (Missouri) | 5,745.88 mi (9,247.10 km) |
| Istanbul to Oatfield (Oregon) | 6,211.91 mi (9,997.11 km) |
| Istanbul to Ocala (Florida) | 5,890.64 mi (9,480.07 km) |
| Istanbul to Ocean Acres (New Jersey) | 5,067.16 mi (8,154.81 km) |
| Istanbul to Ocean City (New Jersey) | 5,101.40 mi (8,209.91 km) |
| Istanbul to Ocean Pines (Maryland) | 5,163.37 mi (8,309.64 km) |
| Istanbul to Ocean Pointe (Hawaii) | 8,107.06 mi (13,047.06 km) |
| Istanbul to Ocean Springs (Mississippi) | 6,102.60 mi (9,821.19 km) |
| Istanbul to Oceanside (California) | 6,875.96 mi (11,065.79 km) |
| Istanbul to Oceanside (New York) | 5,001.75 mi (8,049.53 km) |
| Istanbul to Ocoee (Florida) | 5,893.39 mi (9,484.49 km) |
| Istanbul to Oconomowoc (Wisconsin) | 5,443.82 mi (8,760.99 km) |
| Istanbul to Odenton (Maryland) | 5,195.41 mi (8,361.21 km) |
