| Cities | Distance |
|---|---|
| Heiloo to Nowy Sacz | 721.31 mi (1,160.84 km) |
| Heiloo to Nowy Targ | 697.58 mi (1,122.64 km) |
| Heiloo to Nowy Tomysl | 480.55 mi (773.37 km) |
| Heiloo to Nysa | 561.03 mi (902.89 km) |
| Heiloo to Oborniki | 506.91 mi (815.79 km) |
| Heiloo to Oborniki Slaskie | 525.98 mi (846.49 km) |
| Heiloo to Olawa | 549.48 mi (884.30 km) |
| Heiloo to Olecko | 738.67 mi (1,188.77 km) |
| Heiloo to Olesnica | 547.86 mi (881.70 km) |
| Heiloo to Olesno | 597.21 mi (961.11 km) |
| Heiloo to Olkusz | 657.94 mi (1,058.85 km) |
| Heiloo to Olsztyn | 656.23 mi (1,056.09 km) |
| Heiloo to Opalenica | 492.38 mi (792.40 km) |
| Heiloo to Opoczno | 666.53 mi (1,072.67 km) |
| Heiloo to Opole | 581.43 mi (935.71 km) |