| Hayden to Oberkirch | 5,011.09 mi (8,064.57 km) |
| Hayden to Obernburg am Main | 4,964.74 mi (7,989.97 km) |
| Hayden to Obernkirchen | 4,827.12 mi (7,768.49 km) |
| Hayden to Oberschleissheim | 5,117.26 mi (8,235.43 km) |
| Hayden to Oberstdorf | 5,132.65 mi (8,260.20 km) |
| Hayden to Obertraubling | 5,090.81 mi (8,192.87 km) |
| Hayden to Obertshausen | 4,944.05 mi (7,956.67 km) |
| Hayden to Oberursel | 4,929.79 mi (7,933.72 km) |
| Hayden to Ochsenfurt | 4,999.02 mi (8,045.14 km) |
| Hayden to Ochsenhausen | 5,086.10 mi (8,185.29 km) |
| Hayden to Ochtrup | 4,782.56 mi (7,696.79 km) |
| Hayden to Odenthal | 4,845.81 mi (7,798.58 km) |
| Hayden to Oelde | 4,827.44 mi (7,769.01 km) |
| Hayden to Oelsnitz | 5,006.84 mi (8,057.72 km) |
| Hayden to Oer-Erkenschwick | 4,815.39 mi (7,749.61 km) |
