| Cities | Distance |
|---|---|
| Hoeilaart to Nowy Sacz | 720.76 mi (1,159.94 km) |
| Hoeilaart to Nowy Targ | 693.45 mi (1,116.00 km) |
| Hoeilaart to Nowy Tomysl | 512.04 mi (824.06 km) |
| Hoeilaart to Nysa | 563.73 mi (907.23 km) |
| Hoeilaart to Oborniki | 543.79 mi (875.14 km) |
| Hoeilaart to Oborniki Slaskie | 540.91 mi (870.52 km) |
| Hoeilaart to Olawa | 559.23 mi (899.99 km) |
| Hoeilaart to Olecko | 790.53 mi (1,272.24 km) |
| Hoeilaart to Olesnica | 561.91 mi (904.31 km) |
| Hoeilaart to Olesno | 608.05 mi (978.56 km) |
| Hoeilaart to Olkusz | 662.91 mi (1,066.84 km) |
| Hoeilaart to Olsztyn | 706.47 mi (1,136.95 km) |
| Hoeilaart to Opalenica | 523.71 mi (842.84 km) |
| Hoeilaart to Opoczno | 686.78 mi (1,105.26 km) |
| Hoeilaart to Opole | 588.35 mi (946.85 km) |