| Geldrop to Oberkirch | 228.95 mi (368.46 km) |
| Geldrop to Obernburg am Main | 191.32 mi (307.90 km) |
| Geldrop to Obernkirchen | 162.75 mi (261.92 km) |
| Geldrop to Oberschleissheim | 345.85 mi (556.59 km) |
| Geldrop to Oberstdorf | 348.99 mi (561.64 km) |
| Geldrop to Obertraubling | 337.85 mi (543.72 km) |
| Geldrop to Obertshausen | 171.09 mi (275.34 km) |
| Geldrop to Oberursel | 156.39 mi (251.69 km) |
| Geldrop to Ochsenfurt | 232.75 mi (374.57 km) |
| Geldrop to Ochsenhausen | 303.19 mi (487.94 km) |
| Geldrop to Ochtrup | 88.27 mi (142.06 km) |
| Geldrop to Odenthal | 72.60 mi (116.84 km) |
| Geldrop to Oelde | 114.75 mi (184.67 km) |
| Geldrop to Oelsnitz | 296.02 mi (476.39 km) |
| Geldrop to Oer-Erkenschwick | 74.34 mi (119.63 km) |
