| San Diego Country Estates to Oberkirch | 5,858.66 mi (9,428.60 km) |
| San Diego Country Estates to Obernburg am Main | 5,825.83 mi (9,375.77 km) |
| San Diego Country Estates to Obernkirchen | 5,702.78 mi (9,177.75 km) |
| San Diego Country Estates to Oberschleissheim | 5,980.97 mi (9,625.44 km) |
| San Diego Country Estates to Oberstdorf | 5,984.66 mi (9,631.39 km) |
| San Diego Country Estates to Obertraubling | 5,961.64 mi (9,594.33 km) |
| San Diego Country Estates to Obertshausen | 5,805.04 mi (9,342.31 km) |
| San Diego Country Estates to Oberursel | 5,790.38 mi (9,318.72 km) |
| San Diego Country Estates to Ochsenfurt | 5,863.50 mi (9,436.38 km) |
| San Diego Country Estates to Ochsenhausen | 5,940.43 mi (9,560.20 km) |
| San Diego Country Estates to Ochtrup | 5,649.22 mi (9,091.53 km) |
| San Diego Country Estates to Odenthal | 5,704.66 mi (9,180.77 km) |
| San Diego Country Estates to Oelde | 5,696.12 mi (9,167.02 km) |
| San Diego Country Estates to Oelsnitz | 5,885.79 mi (9,472.27 km) |
| San Diego Country Estates to Oer-Erkenschwick | 5,678.75 mi (9,139.06 km) |
