| Ilica to Opole | 1,338.96 mi (2,154.85 km) |
| Ilica to Orzesze | 1,291.41 mi (2,078.33 km) |
| Ilica to Osowa | 1,447.67 mi (2,329.80 km) |
| Ilica to Ostroda | 1,369.18 mi (2,203.47 km) |
| Ilica to Ostroleka | 1,290.12 mi (2,076.24 km) |
| Ilica to Ostrow Mazowiecka | 1,267.97 mi (2,040.60 km) |
| Ilica to Ostrow Wielkopolski | 1,373.04 mi (2,209.70 km) |
| Ilica to Ostrowiec Swietokrzyski | 1,213.63 mi (1,953.15 km) |
| Ilica to Ostrzeszow | 1,361.33 mi (2,190.84 km) |
| Ilica to Oswiecim | 1,269.20 mi (2,042.58 km) |
| Ilica to Otwock | 1,262.40 mi (2,031.64 km) |
| Ilica to Ozarow Mazowiecki | 1,282.70 mi (2,064.31 km) |
| Ilica to Ozimek | 1,328.03 mi (2,137.25 km) |
| Ilica to Ozorkow | 1,328.42 mi (2,137.88 km) |
| Ilica to Pabianice | 1,313.85 mi (2,114.43 km) |
