| IJsselstein to Oberkirch | 275.74 mi (443.76 km) |
| IJsselstein to Obernburg am Main | 233.66 mi (376.03 km) |
| IJsselstein to Obernkirchen | 174.03 mi (280.07 km) |
| IJsselstein to Oberschleissheim | 388.90 mi (625.88 km) |
| IJsselstein to Oberstdorf | 395.07 mi (635.80 km) |
| IJsselstein to Obertraubling | 377.57 mi (607.64 km) |
| IJsselstein to Obertshausen | 213.04 mi (342.85 km) |
| IJsselstein to Oberursel | 198.27 mi (319.09 km) |
| IJsselstein to Ochsenfurt | 273.73 mi (440.53 km) |
| IJsselstein to Ochsenhausen | 348.88 mi (561.47 km) |
| IJsselstein to Ochtrup | 92.45 mi (148.78 km) |
| IJsselstein to Odenthal | 112.41 mi (180.91 km) |
| IJsselstein to Oelde | 133.39 mi (214.68 km) |
| IJsselstein to Oelsnitz | 327.75 mi (527.46 km) |
| IJsselstein to Oer-Erkenschwick | 98.15 mi (157.96 km) |
