| Federal Way to Oberkirch | 5,178.51 mi (8,334.01 km) |
| Federal Way to Obernburg am Main | 5,127.41 mi (8,251.77 km) |
| Federal Way to Obernkirchen | 4,984.79 mi (8,022.24 km) |
| Federal Way to Oberschleissheim | 5,278.14 mi (8,494.35 km) |
| Federal Way to Oberstdorf | 5,297.84 mi (8,526.04 km) |
| Federal Way to Obertraubling | 5,249.05 mi (8,447.53 km) |
| Federal Way to Obertshausen | 5,106.87 mi (8,218.71 km) |
| Federal Way to Oberursel | 5,092.83 mi (8,196.12 km) |
| Federal Way to Ochsenfurt | 5,160.22 mi (8,304.57 km) |
| Federal Way to Ochsenhausen | 5,250.68 mi (8,450.15 km) |
| Federal Way to Ochtrup | 4,944.06 mi (7,956.69 km) |
| Federal Way to Odenthal | 5,009.96 mi (8,062.76 km) |
| Federal Way to Oelde | 4,987.90 mi (8,027.25 km) |
| Federal Way to Oelsnitz | 5,162.22 mi (8,307.80 km) |
| Federal Way to Oer-Erkenschwick | 4,977.98 mi (8,011.29 km) |
