| Wooster to Oberkirch | 4,192.72 mi (6,747.53 km) |
| Wooster to Obernburg am Main | 4,189.38 mi (6,742.16 km) |
| Wooster to Obernkirchen | 4,106.87 mi (6,609.37 km) |
| Wooster to Oberschleissheim | 4,339.98 mi (6,984.52 km) |
| Wooster to Oberstdorf | 4,319.67 mi (6,951.84 km) |
| Wooster to Obertraubling | 4,337.13 mi (6,979.94 km) |
| Wooster to Obertshausen | 4,169.74 mi (6,710.54 km) |
| Wooster to Oberursel | 4,155.21 mi (6,687.17 km) |
| Wooster to Ochsenfurt | 4,231.71 mi (6,810.29 km) |
| Wooster to Ochsenhausen | 4,282.76 mi (6,892.43 km) |
| Wooster to Ochtrup | 4,036.78 mi (6,496.57 km) |
| Wooster to Odenthal | 4,071.57 mi (6,552.55 km) |
| Wooster to Oelde | 4,084.87 mi (6,573.96 km) |
| Wooster to Oelsnitz | 4,284.62 mi (6,895.43 km) |
| Wooster to Oer-Erkenschwick | 4,057.05 mi (6,529.20 km) |
