| Drexel Heights to Oberkirch | 5,719.23 mi (9,204.21 km) |
| Drexel Heights to Obernburg am Main | 5,694.15 mi (9,163.85 km) |
| Drexel Heights to Obernkirchen | 5,580.62 mi (8,981.14 km) |
| Drexel Heights to Oberschleissheim | 5,849.42 mi (9,413.73 km) |
| Drexel Heights to Oberstdorf | 5,846.54 mi (9,409.10 km) |
| Drexel Heights to Obertraubling | 5,834.37 mi (9,389.51 km) |
| Drexel Heights to Obertshausen | 5,673.48 mi (9,130.58 km) |
| Drexel Heights to Oberursel | 5,658.73 mi (9,106.84 km) |
| Drexel Heights to Ochsenfurt | 5,733.40 mi (9,227.01 km) |
| Drexel Heights to Ochsenhausen | 5,803.96 mi (9,340.58 km) |
| Drexel Heights to Ochtrup | 5,522.26 mi (8,887.21 km) |
| Drexel Heights to Odenthal | 5,572.79 mi (8,968.54 km) |
| Drexel Heights to Oelde | 5,569.91 mi (8,963.91 km) |
| Drexel Heights to Oelsnitz | 5,764.01 mi (9,276.28 km) |
| Drexel Heights to Oer-Erkenschwick | 5,549.65 mi (8,931.29 km) |
