| Idar-Oberstein to Nowy Sacz | 597.76 mi (962.00 km) |
| Idar-Oberstein to Nowy Targ | 568.58 mi (915.04 km) |
| Idar-Oberstein to Nowy Tomysl | 423.18 mi (681.05 km) |
| Idar-Oberstein to Nysa | 446.95 mi (719.29 km) |
| Idar-Oberstein to Oborniki | 458.49 mi (737.87 km) |
| Idar-Oberstein to Oborniki Slaskie | 435.05 mi (700.14 km) |
| Idar-Oberstein to Olawa | 448.21 mi (721.32 km) |
| Idar-Oberstein to Olecko | 711.48 mi (1,145.02 km) |
| Idar-Oberstein to Olesnica | 454.37 mi (731.25 km) |
| Idar-Oberstein to Olesno | 496.18 mi (798.52 km) |
| Idar-Oberstein to Olkusz | 544.98 mi (877.06 km) |
| Idar-Oberstein to Olsztyn | 628.13 mi (1,010.89 km) |
| Idar-Oberstein to Opalenica | 434.00 mi (698.45 km) |
| Idar-Oberstein to Opoczno | 580.34 mi (933.97 km) |
| Idar-Oberstein to Opole | 474.00 mi (762.83 km) |
