| Geldermalsen to Oberkirch | 262.45 mi (422.37 km) |
| Geldermalsen to Obernburg am Main | 219.59 mi (353.39 km) |
| Geldermalsen to Obernkirchen | 164.96 mi (265.47 km) |
| Geldermalsen to Oberschleissheim | 374.83 mi (603.23 km) |
| Geldermalsen to Oberstdorf | 381.24 mi (613.55 km) |
| Geldermalsen to Obertraubling | 363.70 mi (585.31 km) |
| Geldermalsen to Obertshausen | 198.98 mi (320.22 km) |
| Geldermalsen to Oberursel | 184.21 mi (296.46 km) |
| Geldermalsen to Ochsenfurt | 259.73 mi (418.00 km) |
| Geldermalsen to Ochsenhausen | 334.97 mi (539.08 km) |
| Geldermalsen to Ochtrup | 84.04 mi (135.25 km) |
| Geldermalsen to Odenthal | 98.38 mi (158.32 km) |
| Geldermalsen to Oelde | 122.37 mi (196.94 km) |
| Geldermalsen to Oelsnitz | 314.93 mi (506.83 km) |
| Geldermalsen to Oer-Erkenschwick | 85.77 mi (138.03 km) |
