| Galesburg to Oberkirch | 4,513.18 mi (7,263.26 km) |
| Galesburg to Obernburg am Main | 4,500.96 mi (7,243.60 km) |
| Galesburg to Obernkirchen | 4,405.54 mi (7,090.03 km) |
| Galesburg to Oberschleissheim | 4,654.31 mi (7,490.38 km) |
| Galesburg to Oberstdorf | 4,640.95 mi (7,468.89 km) |
| Galesburg to Obertraubling | 4,646.57 mi (7,477.93 km) |
| Galesburg to Obertshausen | 4,480.79 mi (7,211.13 km) |
| Galesburg to Oberursel | 4,466.08 mi (7,187.47 km) |
| Galesburg to Ochsenfurt | 4,542.30 mi (7,310.13 km) |
| Galesburg to Ochsenhausen | 4,601.53 mi (7,405.44 km) |
| Galesburg to Ochtrup | 4,339.65 mi (6,983.99 km) |
| Galesburg to Odenthal | 4,381.00 mi (7,050.54 km) |
| Galesburg to Oelde | 4,387.88 mi (7,061.61 km) |
| Galesburg to Oelsnitz | 4,586.69 mi (7,381.56 km) |
| Galesburg to Oer-Erkenschwick | 4,362.91 mi (7,021.43 km) |
