| Hacienda Heights to Oberkirch | 5,838.29 mi (9,395.83 km) |
| Hacienda Heights to Obernburg am Main | 5,803.17 mi (9,339.30 km) |
| Hacienda Heights to Obernkirchen | 5,677.44 mi (9,136.96 km) |
| Hacienda Heights to Oberschleissheim | 5,958.08 mi (9,588.60 km) |
| Hacienda Heights to Oberstdorf | 5,963.75 mi (9,597.72 km) |
| Hacienda Heights to Obertraubling | 5,937.49 mi (9,555.47 km) |
| Hacienda Heights to Obertshausen | 5,782.36 mi (9,305.81 km) |
| Hacienda Heights to Oberursel | 5,767.75 mi (9,282.30 km) |
| Hacienda Heights to Ochsenfurt | 5,840.31 mi (9,399.07 km) |
| Hacienda Heights to Ochsenhausen | 5,919.06 mi (9,525.81 km) |
| Hacienda Heights to Ochtrup | 5,625.36 mi (9,053.14 km) |
| Hacienda Heights to Odenthal | 5,682.20 mi (9,144.62 km) |
| Hacienda Heights to Oelde | 5,671.98 mi (9,128.17 km) |
| Hacienda Heights to Oelsnitz | 5,860.12 mi (9,430.95 km) |
| Hacienda Heights to Oer-Erkenschwick | 5,655.49 mi (9,101.63 km) |
