| Ephrata to Oberkirch | 3,988.15 mi (6,418.32 km) |
| Ephrata to Obernburg am Main | 3,991.72 mi (6,424.06 km) |
| Ephrata to Obernkirchen | 3,919.64 mi (6,308.05 km) |
| Ephrata to Oberschleissheim | 4,139.41 mi (6,661.74 km) |
| Ephrata to Oberstdorf | 4,113.85 mi (6,620.60 km) |
| Ephrata to Obertraubling | 4,140.34 mi (6,663.24 km) |
| Ephrata to Obertshausen | 3,972.59 mi (6,393.27 km) |
| Ephrata to Oberursel | 3,958.29 mi (6,370.25 km) |
| Ephrata to Ochsenfurt | 4,034.59 mi (6,493.05 km) |
| Ephrata to Ochsenhausen | 4,079.05 mi (6,564.60 km) |
| Ephrata to Ochtrup | 3,846.72 mi (6,190.70 km) |
| Ephrata to Odenthal | 3,876.22 mi (6,238.17 km) |
| Ephrata to Oelde | 3,894.42 mi (6,267.46 km) |
| Ephrata to Oelsnitz | 4,093.77 mi (6,588.29 km) |
| Ephrata to Oer-Erkenschwick | 3,864.56 mi (6,219.41 km) |
