| Chaudfontaine to Orzesze | 578.11 mi (930.37 km) |
| Chaudfontaine to Osowa | 600.49 mi (966.40 km) |
| Chaudfontaine to Ostroda | 643.45 mi (1,035.53 km) |
| Chaudfontaine to Ostroleka | 700.11 mi (1,126.71 km) |
| Chaudfontaine to Ostrow Mazowiecka | 711.69 mi (1,145.35 km) |
| Chaudfontaine to Ostrow Wielkopolski | 532.88 mi (857.59 km) |
| Chaudfontaine to Ostrowiec Swietokrzyski | 688.24 mi (1,107.62 km) |
| Chaudfontaine to Ostrzeszow | 537.27 mi (864.66 km) |
| Chaudfontaine to Oswiecim | 599.91 mi (965.46 km) |
| Chaudfontaine to Otwock | 681.52 mi (1,096.80 km) |
| Chaudfontaine to Ozarow Mazowiecki | 662.17 mi (1,065.66 km) |
| Chaudfontaine to Ozimek | 550.74 mi (886.32 km) |
| Chaudfontaine to Ozorkow | 596.77 mi (960.42 km) |
| Chaudfontaine to Pabianice | 600.00 mi (965.60 km) |
| Chaudfontaine to Parczew | 749.34 mi (1,205.94 km) |
