| Damascus to Oberkirch | 4,069.71 mi (6,549.57 km) |
| Damascus to Obernburg am Main | 4,073.69 mi (6,555.97 km) |
| Damascus to Obernkirchen | 4,002.07 mi (6,440.72 km) |
| Damascus to Oberschleissheim | 4,221.20 mi (6,793.36 km) |
| Damascus to Oberstdorf | 4,195.30 mi (6,751.69 km) |
| Damascus to Obertraubling | 4,222.34 mi (6,795.19 km) |
| Damascus to Obertshausen | 4,054.59 mi (6,525.23 km) |
| Damascus to Oberursel | 4,040.30 mi (6,502.23 km) |
| Damascus to Ochsenfurt | 4,116.58 mi (6,625.00 km) |
| Damascus to Ochsenhausen | 4,160.65 mi (6,695.92 km) |
| Damascus to Ochtrup | 3,929.06 mi (6,323.20 km) |
| Damascus to Odenthal | 3,958.31 mi (6,370.29 km) |
| Damascus to Oelde | 3,976.73 mi (6,399.93 km) |
| Damascus to Oelsnitz | 4,176.05 mi (6,720.70 km) |
| Damascus to Oer-Erkenschwick | 3,946.79 mi (6,351.75 km) |