| Leon to Opole | 1,239.07 mi (1,994.10 km) |
| Leon to Orzesze | 1,263.59 mi (2,033.55 km) |
| Leon to Osowa | 1,359.05 mi (2,187.18 km) |
| Leon to Ostroda | 1,392.81 mi (2,241.51 km) |
| Leon to Ostroleka | 1,438.61 mi (2,315.22 km) |
| Leon to Ostrow Mazowiecka | 1,445.88 mi (2,326.91 km) |
| Leon to Ostrow Wielkopolski | 1,256.50 mi (2,022.13 km) |
| Leon to Ostrowiec Swietokrzyski | 1,389.77 mi (2,236.62 km) |
| Leon to Ostrzeszow | 1,255.67 mi (2,020.80 km) |
| Leon to Oswiecim | 1,281.88 mi (2,062.98 km) |
| Leon to Otwock | 1,406.16 mi (2,263.00 km) |
| Leon to Ozarow Mazowiecki | 1,389.40 mi (2,236.02 km) |
| Leon to Ozimek | 1,250.90 mi (2,013.13 km) |
| Leon to Ozorkow | 1,322.88 mi (2,128.97 km) |
| Leon to Pabianice | 1,319.83 mi (2,124.06 km) |
