| Discovery Bay to Oberkirch | 5,715.24 mi (9,197.79 km) |
| Discovery Bay to Obernburg am Main | 5,672.60 mi (9,129.16 km) |
| Discovery Bay to Obernkirchen | 5,538.52 mi (8,913.38 km) |
| Discovery Bay to Oberschleissheim | 5,826.11 mi (9,376.22 km) |
| Discovery Bay to Oberstdorf | 5,838.34 mi (9,395.89 km) |
| Discovery Bay to Obertraubling | 5,801.46 mi (9,336.54 km) |
| Discovery Bay to Obertshausen | 5,651.84 mi (9,095.75 km) |
| Discovery Bay to Oberursel | 5,637.44 mi (9,072.58 km) |
| Discovery Bay to Ochsenfurt | 5,707.85 mi (9,185.90 km) |
| Discovery Bay to Ochsenhausen | 5,792.34 mi (9,321.87 km) |
| Discovery Bay to Ochtrup | 5,491.56 mi (8,837.81 km) |
| Discovery Bay to Odenthal | 5,552.82 mi (8,936.40 km) |
| Discovery Bay to Oelde | 5,537.05 mi (8,911.03 km) |
| Discovery Bay to Oelsnitz | 5,719.34 mi (9,204.39 km) |
| Discovery Bay to Oer-Erkenschwick | 5,523.56 mi (8,889.32 km) |
