| Boussu to Orzesze | 659.28 mi (1,061.00 km) |
| Boussu to Osowa | 675.35 mi (1,086.87 km) |
| Boussu to Ostroda | 721.11 mi (1,160.51 km) |
| Boussu to Ostroleka | 779.41 mi (1,254.34 km) |
| Boussu to Ostrow Mazowiecka | 791.45 mi (1,273.72 km) |
| Boussu to Ostrow Wielkopolski | 613.88 mi (987.95 km) |
| Boussu to Ostrowiec Swietokrzyski | 769.61 mi (1,238.56 km) |
| Boussu to Ostrzeszow | 618.47 mi (995.32 km) |
| Boussu to Oswiecim | 681.03 mi (1,096.01 km) |
| Boussu to Otwock | 762.13 mi (1,226.54 km) |
| Boussu to Ozarow Mazowiecki | 742.65 mi (1,195.18 km) |
| Boussu to Ozimek | 632.11 mi (1,017.29 km) |
| Boussu to Ozorkow | 677.49 mi (1,090.31 km) |
| Boussu to Pabianice | 681.03 mi (1,096.01 km) |
| Boussu to Parczew | 830.38 mi (1,336.36 km) |
