| Ioannina to Orzesze | 731.73 mi (1,177.60 km) |
| Ioannina to Osowa | 1,026.06 mi (1,651.28 km) |
| Ioannina to Ostroda | 970.71 mi (1,562.21 km) |
| Ioannina to Ostroleka | 926.68 mi (1,491.34 km) |
| Ioannina to Ostrow Mazowiecka | 908.99 mi (1,462.88 km) |
| Ioannina to Ostrow Wielkopolski | 840.82 mi (1,353.17 km) |
| Ioannina to Ostrowiec Swietokrzyski | 779.11 mi (1,253.86 km) |
| Ioannina to Ostrzeszow | 824.08 mi (1,326.23 km) |
| Ioannina to Oswiecim | 721.20 mi (1,160.66 km) |
| Ioannina to Otwock | 860.65 mi (1,385.09 km) |
| Ioannina to Ozarow Mazowiecki | 867.34 mi (1,395.85 km) |
| Ioannina to Ozimek | 771.34 mi (1,241.34 km) |
| Ioannina to Ozorkow | 853.36 mi (1,373.35 km) |
| Ioannina to Pabianice | 831.17 mi (1,337.63 km) |
| Ioannina to Parczew | 832.64 mi (1,340.01 km) |
