| s-Gravendeel to Oberkirch | 271.91 mi (437.59 km) |
| s-Gravendeel to Obernburg am Main | 238.78 mi (384.28 km) |
| s-Gravendeel to Obernkirchen | 194.22 mi (312.56 km) |
| s-Gravendeel to Oberschleissheim | 393.17 mi (632.74 km) |
| s-Gravendeel to Oberstdorf | 394.25 mi (634.48 km) |
| s-Gravendeel to Obertraubling | 385.19 mi (619.91 km) |
| s-Gravendeel to Obertshausen | 218.56 mi (351.74 km) |
| s-Gravendeel to Oberursel | 203.86 mi (328.09 km) |
| s-Gravendeel to Ochsenfurt | 280.19 mi (450.93 km) |
| s-Gravendeel to Ochsenhausen | 349.08 mi (561.78 km) |
| s-Gravendeel to Ochtrup | 113.30 mi (182.34 km) |
| s-Gravendeel to Odenthal | 119.55 mi (192.40 km) |
| s-Gravendeel to Oelde | 150.97 mi (242.96 km) |
| s-Gravendeel to Oelsnitz | 340.74 mi (548.36 km) |
| s-Gravendeel to Oer-Erkenschwick | 113.18 mi (182.15 km) |
