| Galena Park to Oberkirch | 5,261.56 mi (8,467.66 km) |
| Galena Park to Obernburg am Main | 5,258.27 mi (8,462.37 km) |
| Galena Park to Obernkirchen | 5,174.37 mi (8,327.35 km) |
| Galena Park to Oberschleissheim | 5,408.95 mi (8,704.86 km) |
| Galena Park to Oberstdorf | 5,388.44 mi (8,671.86 km) |
| Galena Park to Obertraubling | 5,405.94 mi (8,700.02 km) |
| Galena Park to Obertshausen | 5,238.60 mi (8,430.71 km) |
| Galena Park to Oberursel | 5,224.06 mi (8,407.32 km) |
| Galena Park to Ochsenfurt | 5,300.56 mi (8,530.43 km) |
| Galena Park to Ochsenhausen | 5,351.66 mi (8,612.67 km) |
| Galena Park to Ochtrup | 5,104.86 mi (8,215.49 km) |
| Galena Park to Odenthal | 5,140.31 mi (8,272.53 km) |
| Galena Park to Oelde | 5,153.00 mi (8,292.94 km) |
| Galena Park to Oelsnitz | 5,352.72 mi (8,614.37 km) |
| Galena Park to Oer-Erkenschwick | 5,125.49 mi (8,248.69 km) |
