| Idar-Oberstein to Ordu | 1,588.48 mi (2,556.42 km) |
| Idar-Oberstein to Ortahisar | 1,553.04 mi (2,499.38 km) |
| Idar-Oberstein to Ortakent | 1,320.91 mi (2,125.79 km) |
| Idar-Oberstein to Ortaklar | 1,289.50 mi (2,075.25 km) |
| Idar-Oberstein to Ortakoy | 1,513.22 mi (2,435.29 km) |
| Idar-Oberstein to Ortakoy | 1,501.43 mi (2,416.32 km) |
| Idar-Oberstein to Osmaneli | 1,276.07 mi (2,053.64 km) |
| Idar-Oberstein to Osmaniye | 1,679.31 mi (2,702.60 km) |
| Idar-Oberstein to Ozdere | 1,268.74 mi (2,041.84 km) |
| Idar-Oberstein to Palu | 1,768.00 mi (2,845.32 km) |
| Idar-Oberstein to Pamukkale | 1,350.27 mi (2,173.05 km) |
| Idar-Oberstein to Patnos | 1,874.71 mi (3,017.06 km) |
| Idar-Oberstein to Pazar | 1,547.52 mi (2,490.49 km) |
| Idar-Oberstein to Pazarcik | 1,705.25 mi (2,744.34 km) |
| Idar-Oberstein to Pazaryeri | 1,286.29 mi (2,070.08 km) |
