| Herenthout to Orzesze | 615.53 mi (990.60 km) |
| Herenthout to Osowa | 614.51 mi (988.96 km) |
| Herenthout to Ostroda | 662.77 mi (1,066.62 km) |
| Herenthout to Ostroleka | 723.34 mi (1,164.11 km) |
| Herenthout to Ostrow Mazowiecka | 736.27 mi (1,184.90 km) |
| Herenthout to Ostrow Wielkopolski | 562.83 mi (905.78 km) |
| Herenthout to Ostrowiec Swietokrzyski | 721.21 mi (1,160.68 km) |
| Herenthout to Ostrzeszow | 568.54 mi (914.97 km) |
| Herenthout to Oswiecim | 637.59 mi (1,026.09 km) |
| Herenthout to Otwock | 709.21 mi (1,141.36 km) |
| Herenthout to Ozarow Mazowiecki | 689.35 mi (1,109.40 km) |
| Herenthout to Ozimek | 585.89 mi (942.91 km) |
| Herenthout to Ozorkow | 625.08 mi (1,005.97 km) |
| Herenthout to Pabianice | 629.95 mi (1,013.81 km) |
| Herenthout to Parczew | 779.07 mi (1,253.80 km) |
