| Mission Viejo to Oberkirch | 5,851.02 mi (9,416.31 km) |
| Mission Viejo to Obernburg am Main | 5,816.61 mi (9,360.94 km) |
| Mission Viejo to Obernkirchen | 5,691.72 mi (9,159.94 km) |
| Mission Viejo to Oberschleissheim | 5,971.60 mi (9,610.37 km) |
| Mission Viejo to Oberstdorf | 5,976.65 mi (9,618.49 km) |
| Mission Viejo to Obertraubling | 5,951.41 mi (9,577.87 km) |
| Mission Viejo to Obertshausen | 5,795.81 mi (9,327.46 km) |
| Mission Viejo to Oberursel | 5,781.18 mi (9,303.92 km) |
| Mission Viejo to Ochsenfurt | 5,853.92 mi (9,420.97 km) |
| Mission Viejo to Ochsenhausen | 5,932.11 mi (9,546.80 km) |
| Mission Viejo to Ochtrup | 5,639.17 mi (9,075.36 km) |
| Mission Viejo to Odenthal | 5,695.58 mi (9,166.15 km) |
| Mission Viejo to Oelde | 5,685.88 mi (9,150.54 km) |
| Mission Viejo to Oelsnitz | 5,874.51 mi (9,454.11 km) |
| Mission Viejo to Oer-Erkenschwick | 5,669.11 mi (9,123.56 km) |
