| Preili to Oberkirch | 946.27 mi (1,522.87 km) |
| Preili to Obernburg am Main | 851.67 mi (1,370.63 km) |
| Preili to Obernkirchen | 759.96 mi (1,223.04 km) |
| Preili to Oberschleissheim | 845.00 mi (1,359.90 km) |
| Preili to Oberstdorf | 928.18 mi (1,493.76 km) |
| Preili to Obertraubling | 790.36 mi (1,271.96 km) |
| Preili to Obertshausen | 852.92 mi (1,372.64 km) |
| Preili to Oberursel | 856.36 mi (1,378.18 km) |
| Preili to Ochsenfurt | 827.92 mi (1,332.42 km) |
| Preili to Ochsenhausen | 905.71 mi (1,457.61 km) |
| Preili to Ochtrup | 833.97 mi (1,342.15 km) |
| Preili to Odenthal | 877.01 mi (1,411.42 km) |
| Preili to Oelde | 810.44 mi (1,304.28 km) |
| Preili to Oelsnitz | 722.45 mi (1,162.67 km) |
| Preili to Oer-Erkenschwick | 850.39 mi (1,368.58 km) |
