| Thousand Oaks to Oberkirch | 5,854.56 mi (9,422.01 km) |
| Thousand Oaks to Obernburg am Main | 5,818.20 mi (9,363.48 km) |
| Thousand Oaks to Obernkirchen | 5,691.03 mi (9,158.83 km) |
| Thousand Oaks to Oberschleissheim | 5,972.94 mi (9,612.52 km) |
| Thousand Oaks to Oberstdorf | 5,979.69 mi (9,623.38 km) |
| Thousand Oaks to Obertraubling | 5,951.67 mi (9,578.29 km) |
| Thousand Oaks to Obertshausen | 5,797.39 mi (9,330.00 km) |
| Thousand Oaks to Oberursel | 5,782.81 mi (9,306.53 km) |
| Thousand Oaks to Ochsenfurt | 5,855.04 mi (9,422.78 km) |
| Thousand Oaks to Ochsenhausen | 5,934.77 mi (9,551.09 km) |
| Thousand Oaks to Ochtrup | 5,639.78 mi (9,076.35 km) |
| Thousand Oaks to Odenthal | 5,697.37 mi (9,169.04 km) |
| Thousand Oaks to Oelde | 5,686.23 mi (9,151.11 km) |
| Thousand Oaks to Oelsnitz | 5,873.47 mi (9,452.44 km) |
| Thousand Oaks to Oer-Erkenschwick | 5,670.23 mi (9,125.36 km) |
