| Brownsburg to Oberkirch | 4,413.03 mi (7,102.08 km) |
| Brownsburg to Obernburg am Main | 4,406.55 mi (7,091.65 km) |
| Brownsburg to Obernkirchen | 4,319.23 mi (6,951.12 km) |
| Brownsburg to Oberschleissheim | 4,558.25 mi (7,335.80 km) |
| Brownsburg to Oberstdorf | 4,540.37 mi (7,307.02 km) |
| Brownsburg to Obertraubling | 4,553.66 mi (7,328.40 km) |
| Brownsburg to Obertshausen | 4,386.69 mi (7,059.70 km) |
| Brownsburg to Oberursel | 4,372.09 mi (7,036.20 km) |
| Brownsburg to Ochsenfurt | 4,448.56 mi (7,159.26 km) |
| Brownsburg to Ochsenhausen | 4,502.55 mi (7,246.15 km) |
| Brownsburg to Ochtrup | 4,250.62 mi (6,840.72 km) |
| Brownsburg to Odenthal | 4,287.85 mi (6,900.62 km) |
| Brownsburg to Oelde | 4,298.81 mi (6,918.27 km) |
| Brownsburg to Oelsnitz | 4,498.41 mi (7,239.49 km) |
| Brownsburg to Oer-Erkenschwick | 4,272.02 mi (6,875.15 km) |
