| Keerbergen to Orzesze | 621.34 mi (999.94 km) |
| Keerbergen to Osowa | 624.39 mi (1,004.86 km) |
| Keerbergen to Ostroda | 671.99 mi (1,081.46 km) |
| Keerbergen to Ostroleka | 732.00 mi (1,178.04 km) |
| Keerbergen to Ostrow Mazowiecka | 744.71 mi (1,198.50 km) |
| Keerbergen to Ostrow Wielkopolski | 570.25 mi (917.72 km) |
| Keerbergen to Ostrowiec Swietokrzyski | 728.08 mi (1,171.73 km) |
| Keerbergen to Ostrzeszow | 575.70 mi (926.50 km) |
| Keerbergen to Oswiecim | 643.34 mi (1,035.35 km) |
| Keerbergen to Otwock | 717.11 mi (1,154.08 km) |
| Keerbergen to Ozarow Mazowiecki | 697.34 mi (1,122.26 km) |
| Keerbergen to Ozimek | 592.23 mi (953.10 km) |
| Keerbergen to Ozorkow | 632.84 mi (1,018.46 km) |
| Keerbergen to Pabianice | 637.40 mi (1,025.80 km) |
| Keerbergen to Parczew | 786.62 mi (1,265.94 km) |
