| Avellino to Orzesze | 665.89 mi (1,071.65 km) |
| Avellino to Osowa | 948.74 mi (1,526.85 km) |
| Avellino to Ostroda | 915.33 mi (1,473.08 km) |
| Avellino to Ostroleka | 897.22 mi (1,443.93 km) |
| Avellino to Ostrow Mazowiecka | 886.08 mi (1,426.01 km) |
| Avellino to Ostrow Wielkopolski | 755.34 mi (1,215.61 km) |
| Avellino to Ostrowiec Swietokrzyski | 760.78 mi (1,224.36 km) |
| Avellino to Ostrzeszow | 740.73 mi (1,192.10 km) |
| Avellino to Oswiecim | 665.50 mi (1,071.02 km) |
| Avellino to Otwock | 832.06 mi (1,339.08 km) |
| Avellino to Ozarow Mazowiecki | 830.61 mi (1,336.74 km) |
| Avellino to Ozimek | 693.79 mi (1,116.55 km) |
| Avellino to Ozorkow | 792.51 mi (1,275.42 km) |
| Avellino to Pabianice | 772.97 mi (1,243.97 km) |
| Avellino to Parczew | 833.72 mi (1,341.74 km) |
