| Gagny to Orzesze | 731.21 mi (1,176.77 km) |
| Gagny to Osowa | 780.69 mi (1,256.39 km) |
| Gagny to Ostroda | 820.73 mi (1,320.84 km) |
| Gagny to Ostroleka | 873.91 mi (1,406.42 km) |
| Gagny to Ostrow Mazowiecka | 884.07 mi (1,422.77 km) |
| Gagny to Ostrow Wielkopolski | 700.05 mi (1,126.62 km) |
| Gagny to Ostrowiec Swietokrzyski | 848.95 mi (1,366.25 km) |
| Gagny to Ostrzeszow | 702.46 mi (1,130.51 km) |
| Gagny to Oswiecim | 752.08 mi (1,210.36 km) |
| Gagny to Otwock | 850.40 mi (1,368.58 km) |
| Gagny to Ozarow Mazowiecki | 831.82 mi (1,338.69 km) |
| Gagny to Ozimek | 709.03 mi (1,141.07 km) |
| Gagny to Ozorkow | 765.51 mi (1,231.97 km) |
| Gagny to Pabianice | 766.43 mi (1,233.46 km) |
| Gagny to Parczew | 914.88 mi (1,472.36 km) |
