| Dendermonde to Oestrich-Winkel | 185.59 mi (298.68 km) |
| Dendermonde to Offenburg | 246.38 mi (396.50 km) |
| Dendermonde to Oftersheim | 229.15 mi (368.78 km) |
| Dendermonde to Ohrdruf | 289.09 mi (465.24 km) |
| Dendermonde to Ohringen | 270.61 mi (435.51 km) |
| Dendermonde to Olbernhau | 403.31 mi (649.06 km) |
| Dendermonde to Olching | 377.49 mi (607.51 km) |
| Dendermonde to Oldenburg | 227.46 mi (366.07 km) |
| Dendermonde to Oldenburg in Holstein | 362.68 mi (583.68 km) |
| Dendermonde to Olfen | 149.26 mi (240.20 km) |
| Dendermonde to Olpe | 162.23 mi (261.08 km) |
| Dendermonde to Olsberg | 191.03 mi (307.44 km) |
| Dendermonde to Oranienburg | 407.00 mi (655.01 km) |
| Dendermonde to Ortenberg | 221.83 mi (357.00 km) |
| Dendermonde to Oschatz | 390.43 mi (628.34 km) |
