| Simav to Oberkirch | 1,223.62 mi (1,969.23 km) |
| Simav to Obernburg am Main | 1,222.34 mi (1,967.16 km) |
| Simav to Obernkirchen | 1,314.49 mi (2,115.46 km) |
| Simav to Oberschleissheim | 1,072.40 mi (1,725.87 km) |
| Simav to Oberstdorf | 1,098.95 mi (1,768.59 km) |
| Simav to Obertraubling | 1,074.80 mi (1,729.73 km) |
| Simav to Obertshausen | 1,242.02 mi (1,998.84 km) |
| Simav to Oberursel | 1,256.57 mi (2,022.25 km) |
| Simav to Ochsenfurt | 1,180.07 mi (1,899.14 km) |
| Simav to Ochsenhausen | 1,132.53 mi (1,822.63 km) |
| Simav to Ochtrup | 1,379.58 mi (2,220.22 km) |
| Simav to Odenthal | 1,340.58 mi (2,157.46 km) |
| Simav to Oelde | 1,331.34 mi (2,142.59 km) |
| Simav to Oelsnitz | 1,132.65 mi (1,822.82 km) |
| Simav to Oer-Erkenschwick | 1,356.86 mi (2,183.65 km) |
