| Oak Creek to Oberkirch | 4,329.18 mi (6,967.15 km) |
| Oak Creek to Obernburg am Main | 4,316.74 mi (6,947.12 km) |
| Oak Creek to Obernkirchen | 4,221.25 mi (6,793.44 km) |
| Oak Creek to Oberschleissheim | 4,470.12 mi (7,193.96 km) |
| Oak Creek to Oberstdorf | 4,456.97 mi (7,172.79 km) |
| Oak Creek to Obertraubling | 4,462.30 mi (7,181.38 km) |
| Oak Creek to Obertshausen | 4,296.55 mi (6,914.63 km) |
| Oak Creek to Oberursel | 4,281.85 mi (6,890.97 km) |
| Oak Creek to Ochsenfurt | 4,358.06 mi (7,013.62 km) |
| Oak Creek to Ochsenhausen | 4,417.46 mi (7,109.22 km) |
| Oak Creek to Ochtrup | 4,155.35 mi (6,687.38 km) |
| Oak Creek to Odenthal | 4,196.75 mi (6,754.02 km) |
| Oak Creek to Oelde | 4,203.58 mi (6,765.01 km) |
| Oak Creek to Oelsnitz | 4,402.38 mi (7,084.95 km) |
| Oak Creek to Oer-Erkenschwick | 4,178.62 mi (6,724.85 km) |
