| Encinitas to Oberkirch | 5,871.27 mi (9,448.90 km) |
| Encinitas to Obernburg am Main | 5,837.84 mi (9,395.10 km) |
| Encinitas to Obernkirchen | 5,714.07 mi (9,195.91 km) |
| Encinitas to Oberschleissheim | 5,992.93 mi (9,644.69 km) |
| Encinitas to Oberstdorf | 5,997.14 mi (9,651.47 km) |
| Encinitas to Obertraubling | 5,973.26 mi (9,613.04 km) |
| Encinitas to Obertshausen | 5,817.04 mi (9,361.63 km) |
| Encinitas to Oberursel | 5,802.40 mi (9,338.06 km) |
| Encinitas to Ochsenfurt | 5,875.37 mi (9,455.49 km) |
| Encinitas to Ochsenhausen | 5,952.79 mi (9,580.08 km) |
| Encinitas to Ochtrup | 5,660.90 mi (9,110.34 km) |
| Encinitas to Odenthal | 5,716.72 mi (9,200.17 km) |
| Encinitas to Oelde | 5,707.73 mi (9,185.70 km) |
| Encinitas to Oelsnitz | 5,897.00 mi (9,490.31 km) |
| Encinitas to Oer-Erkenschwick | 5,690.59 mi (9,158.12 km) |
