| Belley to Orzesze | 675.01 mi (1,086.33 km) |
| Belley to Osowa | 822.01 mi (1,322.90 km) |
| Belley to Ostroda | 838.51 mi (1,349.44 km) |
| Belley to Ostroleka | 871.21 mi (1,402.08 km) |
| Belley to Ostrow Mazowiecka | 874.75 mi (1,407.78 km) |
| Belley to Ostrow Wielkopolski | 685.20 mi (1,102.72 km) |
| Belley to Ostrowiec Swietokrzyski | 803.03 mi (1,292.36 km) |
| Belley to Ostrzeszow | 681.24 mi (1,096.36 km) |
| Belley to Oswiecim | 691.78 mi (1,113.31 km) |
| Belley to Otwock | 829.80 mi (1,335.44 km) |
| Belley to Ozarow Mazowiecki | 815.18 mi (1,311.90 km) |
| Belley to Ozimek | 667.88 mi (1,074.86 km) |
| Belley to Ozorkow | 750.31 mi (1,207.50 km) |
| Belley to Pabianice | 743.57 mi (1,196.66 km) |
| Belley to Parczew | 879.35 mi (1,415.18 km) |
