| Suisun City to Oberkirch | 5,706.43 mi (9,183.62 km) |
| Suisun City to Obernburg am Main | 5,663.05 mi (9,113.81 km) |
| Suisun City to Obernkirchen | 5,528.18 mi (8,896.75 km) |
| Suisun City to Oberschleissheim | 5,816.38 mi (9,360.56 km) |
| Suisun City to Oberstdorf | 5,829.25 mi (9,381.27 km) |
| Suisun City to Obertraubling | 5,791.33 mi (9,320.24 km) |
| Suisun City to Obertshausen | 5,642.31 mi (9,080.42 km) |
| Suisun City to Oberursel | 5,627.94 mi (9,057.29 km) |
| Suisun City to Ochsenfurt | 5,698.11 mi (9,170.22 km) |
| Suisun City to Ochsenhausen | 5,783.14 mi (9,307.06 km) |
| Suisun City to Ochtrup | 5,481.76 mi (8,822.04 km) |
| Suisun City to Odenthal | 5,543.44 mi (8,921.30 km) |
| Suisun City to Oelde | 5,527.12 mi (8,895.05 km) |
| Suisun City to Oelsnitz | 5,708.76 mi (9,187.36 km) |
| Suisun City to Oer-Erkenschwick | 5,513.94 mi (8,873.83 km) |
