| Herk-de-Stad to Nowy Sacz | 690.36 mi (1,111.03 km) |
| Herk-de-Stad to Nowy Targ | 663.38 mi (1,067.61 km) |
| Herk-de-Stad to Nowy Tomysl | 479.35 mi (771.45 km) |
| Herk-de-Stad to Nysa | 532.75 mi (857.39 km) |
| Herk-de-Stad to Oborniki | 511.01 mi (822.39 km) |
| Herk-de-Stad to Oborniki Slaskie | 508.98 mi (819.12 km) |
| Herk-de-Stad to Olawa | 527.68 mi (849.21 km) |
| Herk-de-Stad to Olecko | 757.72 mi (1,219.43 km) |
| Herk-de-Stad to Olesnica | 530.06 mi (853.06 km) |
| Herk-de-Stad to Olesno | 576.50 mi (927.78 km) |
| Herk-de-Stad to Olkusz | 631.91 mi (1,016.96 km) |
| Herk-de-Stad to Olsztyn | 673.65 mi (1,084.13 km) |
| Herk-de-Stad to Opalenica | 491.04 mi (790.25 km) |
| Herk-de-Stad to Opoczno | 654.71 mi (1,053.65 km) |
| Herk-de-Stad to Opole | 557.06 mi (896.51 km) |
