| Gentilly to Orzesze | 740.67 mi (1,192.00 km) |
| Gentilly to Osowa | 790.49 mi (1,272.17 km) |
| Gentilly to Ostroda | 830.58 mi (1,336.70 km) |
| Gentilly to Ostroleka | 883.75 mi (1,422.26 km) |
| Gentilly to Ostrow Mazowiecka | 893.90 mi (1,438.59 km) |
| Gentilly to Ostrow Wielkopolski | 709.82 mi (1,142.34 km) |
| Gentilly to Ostrowiec Swietokrzyski | 858.57 mi (1,381.74 km) |
| Gentilly to Ostrzeszow | 712.20 mi (1,146.17 km) |
| Gentilly to Oswiecim | 761.52 mi (1,225.55 km) |
| Gentilly to Otwock | 860.18 mi (1,384.33 km) |
| Gentilly to Ozarow Mazowiecki | 841.62 mi (1,354.46 km) |
| Gentilly to Ozimek | 718.62 mi (1,156.51 km) |
| Gentilly to Ozorkow | 775.30 mi (1,247.72 km) |
| Gentilly to Pabianice | 776.18 mi (1,249.15 km) |
| Gentilly to Parczew | 924.60 mi (1,488.00 km) |
