| Hoover to Oberkirch | 4,738.85 mi (7,626.44 km) |
| Hoover to Obernburg am Main | 4,740.86 mi (7,629.67 km) |
| Hoover to Obernkirchen | 4,665.31 mi (7,508.08 km) |
| Hoover to Oberschleissheim | 4,889.34 mi (7,868.63 km) |
| Hoover to Oberstdorf | 4,864.80 mi (7,829.14 km) |
| Hoover to Obertraubling | 4,889.31 mi (7,868.58 km) |
| Hoover to Obertshausen | 4,721.58 mi (7,598.65 km) |
| Hoover to Oberursel | 4,707.21 mi (7,575.51 km) |
| Hoover to Ochsenfurt | 4,783.60 mi (7,698.46 km) |
| Hoover to Ochsenhausen | 4,829.61 mi (7,772.51 km) |
| Hoover to Ochtrup | 4,593.39 mi (7,392.35 km) |
| Hoover to Odenthal | 4,624.64 mi (7,442.64 km) |
| Hoover to Oelde | 4,641.26 mi (7,469.38 km) |
| Hoover to Oelsnitz | 4,840.86 mi (7,790.62 km) |
| Hoover to Oer-Erkenschwick | 4,612.08 mi (7,422.43 km) |
