| Ankeny to Oberkirch | 4,595.07 mi (7,395.05 km) |
| Ankeny to Obernburg am Main | 4,578.46 mi (7,368.33 km) |
| Ankeny to Obernkirchen | 4,477.02 mi (7,205.07 km) |
| Ankeny to Oberschleissheim | 4,732.74 mi (7,616.60 km) |
| Ankeny to Oberstdorf | 4,722.90 mi (7,600.78 km) |
| Ankeny to Obertraubling | 4,722.60 mi (7,600.28 km) |
| Ankeny to Obertshausen | 4,558.08 mi (7,335.53 km) |
| Ankeny to Oberursel | 4,543.34 mi (7,311.79 km) |
| Ankeny to Ochsenfurt | 4,619.20 mi (7,433.88 km) |
| Ankeny to Ochsenhausen | 4,682.33 mi (7,535.47 km) |
| Ankeny to Ochtrup | 4,413.37 mi (7,102.63 km) |
| Ankeny to Odenthal | 4,457.80 mi (7,174.14 km) |
| Ankeny to Oelde | 4,461.52 mi (7,180.12 km) |
| Ankeny to Oelsnitz | 4,659.26 mi (7,498.36 km) |
| Ankeny to Oer-Erkenschwick | 4,438.02 mi (7,142.30 km) |
