| Dendermonde to Olivenza | 1,011.75 mi (1,628.26 km) |
| Dendermonde to Olot | 616.27 mi (991.79 km) |
| Dendermonde to Onate | 631.64 mi (1,016.53 km) |
| Dendermonde to Onda | 793.21 mi (1,276.55 km) |
| Dendermonde to Onteniente | 874.10 mi (1,406.72 km) |
| Dendermonde to Orihuela | 927.90 mi (1,493.30 km) |
| Dendermonde to Osuna | 1,055.08 mi (1,697.99 km) |
| Dendermonde to Ourense | 824.19 mi (1,326.41 km) |
| Dendermonde to Oviedo | 705.21 mi (1,134.92 km) |
| Dendermonde to Paiporta | 831.05 mi (1,337.44 km) |
| Dendermonde to Pajara | 1,830.72 mi (2,946.26 km) |
| Dendermonde to Palafolls | 650.16 mi (1,046.33 km) |
| Dendermonde to Palafrugell | 631.41 mi (1,016.15 km) |
| Dendermonde to Palamos | 636.46 mi (1,024.28 km) |
| Dendermonde to Palencia | 744.90 mi (1,198.80 km) |
