| Waukesha to Oberkirch | 4,336.17 mi (6,978.39 km) |
| Waukesha to Obernburg am Main | 4,323.19 mi (6,957.51 km) |
| Waukesha to Obernkirchen | 4,226.97 mi (6,802.65 km) |
| Waukesha to Oberschleissheim | 4,476.70 mi (7,204.56 km) |
| Waukesha to Oberstdorf | 4,463.97 mi (7,184.07 km) |
| Waukesha to Obertraubling | 4,468.60 mi (7,191.51 km) |
| Waukesha to Obertshausen | 4,302.98 mi (6,924.98 km) |
| Waukesha to Oberursel | 4,288.27 mi (6,901.30 km) |
| Waukesha to Ochsenfurt | 4,364.44 mi (7,023.89 km) |
| Waukesha to Ochsenhausen | 4,424.33 mi (7,120.27 km) |
| Waukesha to Ochtrup | 4,161.33 mi (6,697.02 km) |
| Waukesha to Odenthal | 4,203.11 mi (6,764.25 km) |
| Waukesha to Oelde | 4,209.56 mi (6,774.63 km) |
| Waukesha to Oelsnitz | 4,408.25 mi (7,094.40 km) |
| Waukesha to Oer-Erkenschwick | 4,184.78 mi (6,734.75 km) |
