| Cities | Distance |
|---|---|
| Hillerod to Opwijk | 478.73 mi (770.44 km) |
| Hillerod to Ostend | 503.62 mi (810.50 km) |
| Hillerod to Oud-Heverlee | 472.28 mi (760.05 km) |
| Hillerod to Oud-Turnhout | 437.78 mi (704.53 km) |
| Hillerod to Oudenaarde | 501.64 mi (807.32 km) |
| Hillerod to Oudenburg | 503.16 mi (809.75 km) |
| Hillerod to Oupeye | 453.65 mi (730.08 km) |
| Hillerod to Overijse | 478.62 mi (770.27 km) |
| Hillerod to Overpelt | 431.25 mi (694.03 km) |
| Hillerod to Paal | 447.43 mi (720.06 km) |
| Hillerod to Peer | 434.84 mi (699.81 km) |
| Hillerod to Pepinster | 457.50 mi (736.28 km) |
| Hillerod to Peruwelz | 519.41 mi (835.91 km) |
| Hillerod to Perwez | 479.67 mi (771.95 km) |
| Hillerod to Philippeville | 510.14 mi (821.00 km) |