| Idar-Oberstein to Oberriet | 194.97 mi (313.77 km) |
| Idar-Oberstein to Obersiggenthal | 160.07 mi (257.61 km) |
| Idar-Oberstein to Oberwil | 152.26 mi (245.04 km) |
| Idar-Oberstein to Oberwingert | 165.55 mi (266.43 km) |
| Idar-Oberstein to Oftringen | 167.75 mi (269.96 km) |
| Idar-Oberstein to Olten | 165.35 mi (266.11 km) |
| Idar-Oberstein to Onex | 250.14 mi (402.56 km) |
| Idar-Oberstein to Opfikon | 167.50 mi (269.57 km) |
| Idar-Oberstein to Ostermundigen | 190.62 mi (306.77 km) |
| Idar-Oberstein to Payerne | 200.77 mi (323.10 km) |
| Idar-Oberstein to Pfaffikon | 175.40 mi (282.28 km) |
| Idar-Oberstein to Plan-les-Ouates | 251.09 mi (404.09 km) |
| Idar-Oberstein to Pratteln | 152.66 mi (245.69 km) |
| Idar-Oberstein to Prilly | 222.03 mi (357.33 km) |
| Idar-Oberstein to Pully | 222.73 mi (358.46 km) |
