| Phenix City to Oberkirch | 4,710.05 mi (7,580.10 km) |
| Phenix City to Obernburg am Main | 4,715.34 mi (7,588.60 km) |
| Phenix City to Obernkirchen | 4,644.68 mi (7,474.89 km) |
| Phenix City to Oberschleissheim | 4,862.28 mi (7,825.09 km) |
| Phenix City to Oberstdorf | 4,835.25 mi (7,781.58 km) |
| Phenix City to Obertraubling | 4,864.05 mi (7,827.93 km) |
| Phenix City to Obertshausen | 4,696.32 mi (7,558.00 km) |
| Phenix City to Oberursel | 4,682.06 mi (7,535.05 km) |
| Phenix City to Ochsenfurt | 4,758.29 mi (7,657.73 km) |
| Phenix City to Ochsenhausen | 4,801.12 mi (7,726.66 km) |
| Phenix City to Ochtrup | 4,571.54 mi (7,357.18 km) |
| Phenix City to Odenthal | 4,600.32 mi (7,403.49 km) |
| Phenix City to Oelde | 4,619.18 mi (7,433.85 km) |
| Phenix City to Oelsnitz | 4,818.43 mi (7,754.51 km) |
| Phenix City to Oer-Erkenschwick | 4,589.09 mi (7,385.43 km) |
