| Federal Heights to Oberkirch | 5,091.16 mi (8,193.42 km) |
| Federal Heights to Obernburg am Main | 5,064.83 mi (8,151.05 km) |
| Federal Heights to Obernkirchen | 4,950.31 mi (7,966.76 km) |
| Federal Heights to Oberschleissheim | 5,220.13 mi (8,400.99 km) |
| Federal Heights to Oberstdorf | 5,218.29 mi (8,398.02 km) |
| Federal Heights to Obertraubling | 5,204.57 mi (8,375.94 km) |
| Federal Heights to Obertshausen | 5,044.13 mi (8,117.75 km) |
| Federal Heights to Oberursel | 5,029.39 mi (8,094.01 km) |
| Federal Heights to Ochsenfurt | 5,103.89 mi (8,213.91 km) |
| Federal Heights to Ochsenhausen | 5,175.40 mi (8,329.00 km) |
| Federal Heights to Ochtrup | 4,892.33 mi (7,873.45 km) |
| Federal Heights to Odenthal | 4,943.45 mi (7,955.71 km) |
| Federal Heights to Oelde | 4,939.93 mi (7,950.05 km) |
| Federal Heights to Oelsnitz | 5,133.72 mi (8,261.92 km) |
| Federal Heights to Oer-Erkenschwick | 4,919.96 mi (7,917.90 km) |
