| Boadilla del Monte to Opole | 1,263.86 mi (2,033.99 km) |
| Boadilla del Monte to Orzesze | 1,281.93 mi (2,063.06 km) |
| Boadilla del Monte to Osowa | 1,413.32 mi (2,274.52 km) |
| Boadilla del Monte to Ostroda | 1,438.11 mi (2,314.42 km) |
| Boadilla del Monte to Ostroleka | 1,475.76 mi (2,375.01 km) |
| Boadilla del Monte to Ostrow Mazowiecka | 1,480.35 mi (2,382.39 km) |
| Boadilla del Monte to Ostrow Wielkopolski | 1,290.26 mi (2,076.47 km) |
| Boadilla del Monte to Ostrowiec Swietokrzyski | 1,410.09 mi (2,269.32 km) |
| Boadilla del Monte to Ostrzeszow | 1,287.13 mi (2,071.43 km) |
| Boadilla del Monte to Oswiecim | 1,298.28 mi (2,089.38 km) |
| Boadilla del Monte to Otwock | 1,436.43 mi (2,311.71 km) |
| Boadilla del Monte to Ozarow Mazowiecki | 1,421.36 mi (2,287.46 km) |
| Boadilla del Monte to Ozimek | 1,275.11 mi (2,052.10 km) |
| Boadilla del Monte to Ozorkow | 1,355.93 mi (2,182.17 km) |
| Boadilla del Monte to Pabianice | 1,350.02 mi (2,172.64 km) |
