| Sunnyvale to Oberkirch | 5,758.21 mi (9,266.94 km) |
| Sunnyvale to Obernburg am Main | 5,715.52 mi (9,198.23 km) |
| Sunnyvale to Obernkirchen | 5,581.35 mi (8,982.32 km) |
| Sunnyvale to Oberschleissheim | 5,869.02 mi (9,445.27 km) |
| Sunnyvale to Oberstdorf | 5,881.29 mi (9,465.02 km) |
| Sunnyvale to Obertraubling | 5,844.32 mi (9,405.52 km) |
| Sunnyvale to Obertshausen | 5,694.76 mi (9,164.83 km) |
| Sunnyvale to Oberursel | 5,680.36 mi (9,141.66 km) |
| Sunnyvale to Ochsenfurt | 5,750.76 mi (9,254.95 km) |
| Sunnyvale to Ochsenhausen | 5,835.28 mi (9,390.98 km) |
| Sunnyvale to Ochtrup | 5,534.46 mi (8,906.85 km) |
| Sunnyvale to Odenthal | 5,595.75 mi (9,005.49 km) |
| Sunnyvale to Oelde | 5,579.94 mi (8,980.04 km) |
| Sunnyvale to Oelsnitz | 5,762.15 mi (9,273.28 km) |
| Sunnyvale to Oer-Erkenschwick | 5,566.48 mi (8,958.38 km) |
