| Sinnai to Oberkirch | 640.19 mi (1,030.29 km) |
| Sinnai to Obernburg am Main | 728.07 mi (1,171.72 km) |
| Sinnai to Obernkirchen | 895.72 mi (1,441.52 km) |
| Sinnai to Oberschleissheim | 629.27 mi (1,012.70 km) |
| Sinnai to Oberstdorf | 562.73 mi (905.63 km) |
| Sinnai to Obertraubling | 683.50 mi (1,099.99 km) |
| Sinnai to Obertshausen | 743.95 mi (1,197.27 km) |
| Sinnai to Oberursel | 753.78 mi (1,213.10 km) |
| Sinnai to Ochsenfurt | 716.19 mi (1,152.60 km) |
| Sinnai to Ochsenhausen | 607.05 mi (976.96 km) |
| Sinnai to Ochtrup | 896.68 mi (1,443.07 km) |
| Sinnai to Odenthal | 816.77 mi (1,314.47 km) |
| Sinnai to Oelde | 867.26 mi (1,395.72 km) |
| Sinnai to Oelsnitz | 781.34 mi (1,257.44 km) |
| Sinnai to Oer-Erkenschwick | 857.73 mi (1,380.39 km) |
