| Wells Branch to Oberkirch | 5,321.61 mi (8,564.31 km) |
| Wells Branch to Obernburg am Main | 5,314.55 mi (8,552.93 km) |
| Wells Branch to Obernkirchen | 5,225.25 mi (8,409.23 km) |
| Wells Branch to Oberschleissheim | 5,466.51 mi (8,797.51 km) |
| Wells Branch to Oberstdorf | 5,448.98 mi (8,769.29 km) |
| Wells Branch to Obertraubling | 5,461.43 mi (8,789.32 km) |
| Wells Branch to Obertshausen | 5,294.63 mi (8,520.89 km) |
| Wells Branch to Oberursel | 5,280.01 mi (8,497.36 km) |
| Wells Branch to Ochsenfurt | 5,356.46 mi (8,620.38 km) |
| Wells Branch to Ochsenhausen | 5,411.08 mi (8,708.29 km) |
| Wells Branch to Ochtrup | 5,157.42 mi (8,300.07 km) |
| Wells Branch to Odenthal | 5,195.60 mi (8,361.51 km) |
| Wells Branch to Oelde | 5,205.64 mi (8,377.67 km) |
| Wells Branch to Oelsnitz | 5,405.08 mi (8,698.64 km) |
| Wells Branch to Oer-Erkenschwick | 5,179.29 mi (8,335.26 km) |
