| Sirvan to Oberkirch | 1,834.81 mi (2,952.84 km) |
| Sirvan to Obernburg am Main | 1,807.35 mi (2,908.64 km) |
| Sirvan to Obernkirchen | 1,855.87 mi (2,986.74 km) |
| Sirvan to Oberschleissheim | 1,674.42 mi (2,694.72 km) |
| Sirvan to Oberstdorf | 1,720.87 mi (2,769.47 km) |
| Sirvan to Obertraubling | 1,660.36 mi (2,672.08 km) |
| Sirvan to Obertshausen | 1,824.46 mi (2,936.19 km) |
| Sirvan to Oberursel | 1,837.79 mi (2,957.64 km) |
| Sirvan to Ochsenfurt | 1,764.06 mi (2,838.99 km) |
| Sirvan to Ochsenhausen | 1,744.62 mi (2,807.69 km) |
| Sirvan to Ochtrup | 1,932.33 mi (3,109.79 km) |
| Sirvan to Odenthal | 1,913.94 mi (3,080.20 km) |
| Sirvan to Oelde | 1,885.87 mi (3,035.01 km) |
| Sirvan to Oelsnitz | 1,690.11 mi (2,719.97 km) |
| Sirvan to Oer-Erkenschwick | 1,919.14 mi (3,088.56 km) |
