| Waukegan to Oberkirch | 4,351.79 mi (7,003.53 km) |
| Waukegan to Obernburg am Main | 4,340.12 mi (6,984.74 km) |
| Waukegan to Obernkirchen | 4,245.65 mi (6,832.72 km) |
| Waukegan to Oberschleissheim | 4,493.31 mi (7,231.29 km) |
| Waukegan to Oberstdorf | 4,479.54 mi (7,209.13 km) |
| Waukegan to Obertraubling | 4,485.91 mi (7,219.37 km) |
| Waukegan to Obertshausen | 4,319.97 mi (6,952.32 km) |
| Waukegan to Oberursel | 4,305.28 mi (6,928.67 km) |
| Waukegan to Ochsenfurt | 4,381.54 mi (7,051.40 km) |
| Waukegan to Ochsenhausen | 4,440.25 mi (7,145.89 km) |
| Waukegan to Ochtrup | 4,179.40 mi (6,726.09 km) |
| Waukegan to Odenthal | 4,220.27 mi (6,791.87 km) |
| Waukegan to Oelde | 4,227.63 mi (6,803.72 km) |
| Waukegan to Oelsnitz | 4,426.57 mi (7,123.88 km) |
| Waukegan to Oer-Erkenschwick | 4,202.44 mi (6,763.17 km) |
