| Whitefish Bay to Oberkirch | 4,318.38 mi (6,949.75 km) |
| Whitefish Bay to Obernburg am Main | 4,305.59 mi (6,929.18 km) |
| Whitefish Bay to Obernkirchen | 4,209.65 mi (6,774.78 km) |
| Whitefish Bay to Oberschleissheim | 4,459.05 mi (7,176.15 km) |
| Whitefish Bay to Oberstdorf | 4,446.17 mi (7,155.42 km) |
| Whitefish Bay to Obertraubling | 4,451.06 mi (7,163.28 km) |
| Whitefish Bay to Obertshausen | 4,285.39 mi (6,896.67 km) |
| Whitefish Bay to Oberursel | 4,270.68 mi (6,873.00 km) |
| Whitefish Bay to Ochsenfurt | 4,346.87 mi (6,995.61 km) |
| Whitefish Bay to Ochsenhausen | 4,406.58 mi (7,091.70 km) |
| Whitefish Bay to Ochtrup | 4,143.91 mi (6,668.98 km) |
| Whitefish Bay to Odenthal | 4,185.54 mi (6,735.98 km) |
| Whitefish Bay to Oelde | 4,192.14 mi (6,746.59 km) |
| Whitefish Bay to Oelsnitz | 4,390.88 mi (7,066.43 km) |
| Whitefish Bay to Oer-Erkenschwick | 4,167.29 mi (6,706.60 km) |
