| Millbrae to Oberkirch | 5,755.87 mi (9,263.18 km) |
| Millbrae to Obernburg am Main | 5,712.58 mi (9,193.51 km) |
| Millbrae to Obernkirchen | 5,577.78 mi (8,976.56 km) |
| Millbrae to Oberschleissheim | 5,865.93 mi (9,440.30 km) |
| Millbrae to Oberstdorf | 5,878.73 mi (9,460.90 km) |
| Millbrae to Obertraubling | 5,840.91 mi (9,400.03 km) |
| Millbrae to Obertshausen | 5,691.84 mi (9,160.12 km) |
| Millbrae to Oberursel | 5,677.46 mi (9,136.99 km) |
| Millbrae to Ochsenfurt | 5,747.66 mi (9,249.96 km) |
| Millbrae to Ochsenhausen | 5,832.63 mi (9,386.71 km) |
| Millbrae to Ochtrup | 5,531.31 mi (8,901.79 km) |
| Millbrae to Odenthal | 5,592.95 mi (9,000.98 km) |
| Millbrae to Oelde | 5,576.69 mi (8,974.81 km) |
| Millbrae to Oelsnitz | 5,758.37 mi (9,267.20 km) |
| Millbrae to Oer-Erkenschwick | 5,563.48 mi (8,953.55 km) |
