| Cities | Distance |
|---|---|
| Heiloo to Opwijk | 115.13 mi (185.28 km) |
| Heiloo to Ostend | 121.99 mi (196.32 km) |
| Heiloo to Oud-Heverlee | 122.09 mi (196.48 km) |
| Heiloo to Oud-Turnhout | 89.39 mi (143.86 km) |
| Heiloo to Oudenaarde | 130.01 mi (209.23 km) |
| Heiloo to Oudenburg | 122.22 mi (196.70 km) |
| Heiloo to Oupeye | 136.60 mi (219.84 km) |
| Heiloo to Overijse | 125.77 mi (202.40 km) |
| Heiloo to Overpelt | 100.12 mi (161.13 km) |
| Heiloo to Paal | 109.59 mi (176.36 km) |
| Heiloo to Peer | 106.14 mi (170.81 km) |
| Heiloo to Pepinster | 148.21 mi (238.52 km) |
| Heiloo to Peruwelz | 151.95 mi (244.54 km) |
| Heiloo to Perwez | 136.59 mi (219.81 km) |
| Heiloo to Philippeville | 165.98 mi (267.12 km) |