| Dendermonde to Orzesze | 644.41 mi (1,037.08 km) |
| Dendermonde to Osowa | 643.95 mi (1,036.34 km) |
| Dendermonde to Ostroda | 692.64 mi (1,114.70 km) |
| Dendermonde to Ostroleka | 753.36 mi (1,212.42 km) |
| Dendermonde to Ostrow Mazowiecka | 766.30 mi (1,233.24 km) |
| Dendermonde to Ostrow Wielkopolski | 592.67 mi (953.80 km) |
| Dendermonde to Ostrowiec Swietokrzyski | 750.81 mi (1,208.31 km) |
| Dendermonde to Ostrzeszow | 598.27 mi (962.82 km) |
| Dendermonde to Oswiecim | 666.42 mi (1,072.51 km) |
| Dendermonde to Otwock | 739.19 mi (1,189.61 km) |
| Dendermonde to Ozarow Mazowiecki | 719.35 mi (1,157.68 km) |
| Dendermonde to Ozimek | 615.16 mi (990.01 km) |
| Dendermonde to Ozorkow | 655.03 mi (1,054.16 km) |
| Dendermonde to Pabianice | 659.80 mi (1,061.85 km) |
| Dendermonde to Parczew | 808.96 mi (1,301.90 km) |
