| San Francisco to Oberkirch | 5,747.74 mi (9,250.09 km) |
| San Francisco to Obernburg am Main | 5,704.28 mi (9,180.15 km) |
| San Francisco to Obernkirchen | 5,569.29 mi (8,962.90 km) |
| San Francisco to Oberschleissheim | 5,857.57 mi (9,426.86 km) |
| San Francisco to Oberstdorf | 5,870.53 mi (9,447.70 km) |
| San Francisco to Obertraubling | 5,832.46 mi (9,386.44 km) |
| San Francisco to Obertshausen | 5,683.53 mi (9,146.76 km) |
| San Francisco to Oberursel | 5,669.16 mi (9,123.64 km) |
| San Francisco to Ochsenfurt | 5,739.30 mi (9,236.52 km) |
| San Francisco to Ochsenhausen | 5,824.40 mi (9,373.47 km) |
| San Francisco to Ochtrup | 5,522.94 mi (8,888.32 km) |
| San Francisco to Odenthal | 5,584.68 mi (8,987.67 km) |
| San Francisco to Oelde | 5,568.29 mi (8,961.30 km) |
| San Francisco to Oelsnitz | 5,749.82 mi (9,253.44 km) |
| San Francisco to Oer-Erkenschwick | 5,555.15 mi (8,940.15 km) |
