| Chateaubriant to Orzesze | 925.89 mi (1,490.07 km) |
| Chateaubriant to Osowa | 973.72 mi (1,567.05 km) |
| Chateaubriant to Ostroda | 1,016.15 mi (1,635.34 km) |
| Chateaubriant to Ostroleka | 1,070.45 mi (1,722.72 km) |
| Chateaubriant to Ostrow Mazowiecka | 1,080.82 mi (1,739.42 km) |
| Chateaubriant to Ostrow Wielkopolski | 896.92 mi (1,443.45 km) |
| Chateaubriant to Ostrowiec Swietokrzyski | 1,044.98 mi (1,681.74 km) |
| Chateaubriant to Ostrzeszow | 899.22 mi (1,447.16 km) |
| Chateaubriant to Oswiecim | 946.46 mi (1,523.18 km) |
| Chateaubriant to Otwock | 1,047.29 mi (1,685.46 km) |
| Chateaubriant to Ozarow Mazowiecki | 1,028.72 mi (1,655.57 km) |
| Chateaubriant to Ozimek | 904.87 mi (1,456.24 km) |
| Chateaubriant to Ozorkow | 962.41 mi (1,548.85 km) |
| Chateaubriant to Pabianice | 963.25 mi (1,550.20 km) |
| Chateaubriant to Parczew | 1,111.56 mi (1,788.88 km) |
