| Iesi to Orzesze | 526.40 mi (847.16 km) |
| Iesi to Osowa | 789.29 mi (1,270.25 km) |
| Iesi to Ostroda | 766.52 mi (1,233.60 km) |
| Iesi to Ostroleka | 761.27 mi (1,225.14 km) |
| Iesi to Ostrow Mazowiecka | 753.86 mi (1,213.22 km) |
| Iesi to Ostrow Wielkopolski | 600.29 mi (966.07 km) |
| Iesi to Ostrowiec Swietokrzyski | 638.48 mi (1,027.54 km) |
| Iesi to Ostrzeszow | 587.47 mi (945.44 km) |
| Iesi to Oswiecim | 531.31 mi (855.07 km) |
| Iesi to Otwock | 699.91 mi (1,126.39 km) |
| Iesi to Ozarow Mazowiecki | 694.53 mi (1,117.73 km) |
| Iesi to Ozimek | 546.27 mi (879.14 km) |
| Iesi to Ozorkow | 646.89 mi (1,041.06 km) |
| Iesi to Pabianice | 629.74 mi (1,013.46 km) |
| Iesi to Parczew | 716.60 mi (1,153.26 km) |
