| Petal to Oberkirch | 4,938.17 mi (7,947.22 km) |
| Petal to Obernburg am Main | 4,940.02 mi (7,950.20 km) |
| Petal to Obernkirchen | 4,863.97 mi (7,827.81 km) |
| Petal to Oberschleissheim | 5,088.59 mi (8,189.29 km) |
| Petal to Oberstdorf | 5,064.14 mi (8,149.94 km) |
| Petal to Obertraubling | 5,088.45 mi (8,189.07 km) |
| Petal to Obertshausen | 4,920.73 mi (7,919.14 km) |
| Petal to Oberursel | 4,906.35 mi (7,896.00 km) |
| Petal to Ochsenfurt | 4,982.75 mi (8,018.96 km) |
| Petal to Ochsenhausen | 5,028.93 mi (8,093.28 km) |
| Petal to Ochtrup | 4,792.22 mi (7,712.34 km) |
| Petal to Odenthal | 4,823.72 mi (7,763.02 km) |
| Petal to Oelde | 4,840.11 mi (7,789.40 km) |
| Petal to Oelsnitz | 5,039.74 mi (8,110.68 km) |
| Petal to Oer-Erkenschwick | 4,811.03 mi (7,742.61 km) |
