| Cisterniga to Oberkirch | 783.39 mi (1,260.74 km) |
| Cisterniga to Obernburg am Main | 873.58 mi (1,405.89 km) |
| Cisterniga to Obernkirchen | 979.17 mi (1,575.82 km) |
| Cisterniga to Oberschleissheim | 914.82 mi (1,472.26 km) |
| Cisterniga to Oberstdorf | 836.86 mi (1,346.80 km) |
| Cisterniga to Obertraubling | 960.46 mi (1,545.71 km) |
| Cisterniga to Obertshausen | 871.74 mi (1,402.92 km) |
| Cisterniga to Oberursel | 868.46 mi (1,397.65 km) |
| Cisterniga to Ochsenfurt | 900.57 mi (1,449.33 km) |
| Cisterniga to Ochsenhausen | 842.12 mi (1,355.26 km) |
| Cisterniga to Ochtrup | 919.12 mi (1,479.19 km) |
| Cisterniga to Odenthal | 858.28 mi (1,381.27 km) |
| Cisterniga to Oelde | 928.78 mi (1,494.73 km) |
| Cisterniga to Oelsnitz | 1,007.71 mi (1,621.75 km) |
| Cisterniga to Oer-Erkenschwick | 892.34 mi (1,436.08 km) |
