| West Columbia to Oberkirch | 4,472.61 mi (7,197.97 km) |
| West Columbia to Obernburg am Main | 4,480.25 mi (7,210.26 km) |
| West Columbia to Obernkirchen | 4,413.49 mi (7,102.82 km) |
| West Columbia to Oberschleissheim | 4,625.98 mi (7,444.79 km) |
| West Columbia to Oberstdorf | 4,597.21 mi (7,398.49 km) |
| West Columbia to Obertraubling | 4,629.06 mi (7,449.74 km) |
| West Columbia to Obertshausen | 4,461.44 mi (7,180.00 km) |
| West Columbia to Oberursel | 4,447.28 mi (7,157.21 km) |
| West Columbia to Ochsenfurt | 4,523.33 mi (7,279.59 km) |
| West Columbia to Ochsenhausen | 4,563.84 mi (7,344.79 km) |
| West Columbia to Ochtrup | 4,339.40 mi (6,983.59 km) |
| West Columbia to Odenthal | 4,366.21 mi (7,026.74 km) |
| West Columbia to Oelde | 4,386.83 mi (7,059.92 km) |
| West Columbia to Oelsnitz | 4,585.64 mi (7,379.88 km) |
| West Columbia to Oer-Erkenschwick | 4,356.04 mi (7,010.36 km) |
