| Cities | Distance |
|---|---|
| Heiloo to Oberriet | 423.74 mi (681.94 km) |
| Heiloo to Obersiggenthal | 387.15 mi (623.05 km) |
| Heiloo to Oberwil | 373.23 mi (600.66 km) |
| Heiloo to Oberwingert | 394.38 mi (634.69 km) |
| Heiloo to Oftringen | 391.67 mi (630.34 km) |
| Heiloo to Olten | 389.25 mi (626.43 km) |
| Heiloo to Onex | 447.67 mi (720.46 km) |
| Heiloo to Opfikon | 395.66 mi (636.75 km) |
| Heiloo to Ostermundigen | 409.10 mi (658.38 km) |
| Heiloo to Payerne | 411.63 mi (662.45 km) |
| Heiloo to Pfaffikon | 404.05 mi (650.26 km) |
| Heiloo to Plan-les-Ouates | 448.91 mi (722.45 km) |
| Heiloo to Pratteln | 375.24 mi (603.89 km) |
| Heiloo to Prilly | 427.54 mi (688.06 km) |
| Heiloo to Pully | 429.26 mi (690.83 km) |