| Zirndorf to Oberkirch | 144.57 mi (232.66 km) |
| Zirndorf to Obernburg am Main | 85.28 mi (137.25 km) |
| Zirndorf to Obernkirchen | 210.35 mi (338.52 km) |
| Zirndorf to Oberschleissheim | 87.52 mi (140.86 km) |
| Zirndorf to Oberstdorf | 144.28 mi (232.20 km) |
| Zirndorf to Obertraubling | 64.32 mi (103.51 km) |
| Zirndorf to Obertshausen | 103.64 mi (166.79 km) |
| Zirndorf to Oberursel | 117.88 mi (189.71 km) |
| Zirndorf to Ochsenfurt | 41.94 mi (67.49 km) |
| Zirndorf to Ochsenhausen | 105.57 mi (169.89 km) |
| Zirndorf to Ochtrup | 251.27 mi (404.39 km) |
| Zirndorf to Odenthal | 201.60 mi (324.45 km) |
| Zirndorf to Oelde | 205.32 mi (330.42 km) |
| Zirndorf to Oelsnitz | 85.96 mi (138.34 km) |
| Zirndorf to Oer-Erkenschwick | 222.03 mi (357.33 km) |
