| Machelen to Orzesze | 629.84 mi (1,013.63 km) |
| Machelen to Osowa | 634.87 mi (1,021.72 km) |
| Machelen to Ostroda | 682.25 mi (1,097.97 km) |
| Machelen to Ostroleka | 742.03 mi (1,194.19 km) |
| Machelen to Ostrow Mazowiecka | 754.65 mi (1,214.49 km) |
| Machelen to Ostrow Wielkopolski | 579.69 mi (932.92 km) |
| Machelen to Ostrowiec Swietokrzyski | 737.21 mi (1,186.42 km) |
| Machelen to Ostrzeszow | 585.00 mi (941.47 km) |
| Machelen to Oswiecim | 651.81 mi (1,048.98 km) |
| Machelen to Otwock | 726.79 mi (1,169.66 km) |
| Machelen to Ozarow Mazowiecki | 707.06 mi (1,137.90 km) |
| Machelen to Ozimek | 601.06 mi (967.31 km) |
| Machelen to Ozorkow | 642.45 mi (1,033.92 km) |
| Machelen to Pabianice | 646.85 mi (1,041.01 km) |
| Machelen to Parczew | 796.11 mi (1,281.21 km) |
