| Boerne to Oberkirch | 5,397.01 mi (8,685.65 km) |
| Boerne to Obernburg am Main | 5,389.44 mi (8,673.47 km) |
| Boerne to Obernkirchen | 5,299.36 mi (8,528.50 km) |
| Boerne to Oberschleissheim | 5,541.57 mi (8,918.30 km) |
| Boerne to Oberstdorf | 5,524.43 mi (8,890.71 km) |
| Boerne to Obertraubling | 5,536.20 mi (8,909.65 km) |
| Boerne to Obertshausen | 5,369.50 mi (8,641.38 km) |
| Boerne to Oberursel | 5,354.87 mi (8,617.83 km) |
| Boerne to Ochsenfurt | 5,431.30 mi (8,740.83 km) |
| Boerne to Ochsenhausen | 5,486.39 mi (8,829.49 km) |
| Boerne to Ochtrup | 5,231.80 mi (8,419.77 km) |
| Boerne to Odenthal | 5,270.37 mi (8,481.84 km) |
| Boerne to Oelde | 5,280.02 mi (8,497.38 km) |
| Boerne to Oelsnitz | 5,479.40 mi (8,818.25 km) |
| Boerne to Oer-Erkenschwick | 5,253.85 mi (8,455.26 km) |
