| Niel to Orzesze | 634.29 mi (1,020.80 km) |
| Niel to Osowa | 632.32 mi (1,017.61 km) |
| Niel to Ostroda | 681.11 mi (1,096.14 km) |
| Niel to Ostroleka | 741.98 mi (1,194.10 km) |
| Niel to Ostrow Mazowiecka | 754.98 mi (1,215.02 km) |
| Niel to Ostrow Wielkopolski | 581.75 mi (936.24 km) |
| Niel to Ostrowiec Swietokrzyski | 740.14 mi (1,191.13 km) |
| Niel to Ostrzeszow | 587.47 mi (945.44 km) |
| Niel to Oswiecim | 656.33 mi (1,056.27 km) |
| Niel to Otwock | 728.07 mi (1,171.71 km) |
| Niel to Ozarow Mazowiecki | 708.19 mi (1,139.73 km) |
| Niel to Ozimek | 604.76 mi (973.27 km) |
| Niel to Ozorkow | 643.96 mi (1,036.36 km) |
| Niel to Pabianice | 648.87 mi (1,044.26 km) |
| Niel to Parczew | 797.98 mi (1,284.23 km) |
