| Brown Deer to Oberkirch | 4,318.34 mi (6,949.70 km) |
| Brown Deer to Obernburg am Main | 4,305.39 mi (6,928.85 km) |
| Brown Deer to Obernkirchen | 4,209.23 mi (6,774.10 km) |
| Brown Deer to Oberschleissheim | 4,458.89 mi (7,175.89 km) |
| Brown Deer to Oberstdorf | 4,446.14 mi (7,155.37 km) |
| Brown Deer to Obertraubling | 4,450.80 mi (7,162.88 km) |
| Brown Deer to Obertshausen | 4,285.18 mi (6,896.33 km) |
| Brown Deer to Oberursel | 4,270.47 mi (6,872.66 km) |
| Brown Deer to Ochsenfurt | 4,346.65 mi (6,995.25 km) |
| Brown Deer to Ochsenhausen | 4,406.50 mi (7,091.58 km) |
| Brown Deer to Ochtrup | 4,143.56 mi (6,668.42 km) |
| Brown Deer to Odenthal | 4,185.31 mi (6,735.61 km) |
| Brown Deer to Oelde | 4,191.79 mi (6,746.04 km) |
| Brown Deer to Oelsnitz | 4,390.50 mi (7,065.82 km) |
| Brown Deer to Oer-Erkenschwick | 4,167.00 mi (6,706.13 km) |
