| Dendermonde to Obernburg am Main | 236.62 mi (380.81 km) |
| Dendermonde to Obernkirchen | 231.31 mi (372.26 km) |
| Dendermonde to Oberschleissheim | 385.21 mi (619.93 km) |
| Dendermonde to Oberstdorf | 374.52 mi (602.74 km) |
| Dendermonde to Obertraubling | 385.45 mi (620.31 km) |
| Dendermonde to Obertshausen | 218.22 mi (351.20 km) |
| Dendermonde to Oberursel | 204.43 mi (329.00 km) |
| Dendermonde to Ochsenfurt | 279.83 mi (450.34 km) |
| Dendermonde to Ochsenhausen | 332.36 mi (534.87 km) |
| Dendermonde to Ochtrup | 155.34 mi (249.99 km) |
| Dendermonde to Odenthal | 131.07 mi (210.93 km) |
| Dendermonde to Oelde | 182.97 mi (294.46 km) |
| Dendermonde to Oelsnitz | 355.21 mi (571.65 km) |
| Dendermonde to Oer-Erkenschwick | 142.35 mi (229.09 km) |
| Dendermonde to Oerlinghausen | 206.70 mi (332.64 km) |
