| Castellabate to Orzesze | 706.38 mi (1,136.81 km) |
| Castellabate to Osowa | 991.01 mi (1,594.87 km) |
| Castellabate to Ostroda | 956.34 mi (1,539.08 km) |
| Castellabate to Ostroleka | 936.55 mi (1,507.24 km) |
| Castellabate to Ostrow Mazowiecka | 924.93 mi (1,488.53 km) |
| Castellabate to Ostrow Wielkopolski | 797.41 mi (1,283.30 km) |
| Castellabate to Ostrowiec Swietokrzyski | 798.64 mi (1,285.28 km) |
| Castellabate to Ostrzeszow | 782.63 mi (1,259.52 km) |
| Castellabate to Oswiecim | 705.33 mi (1,135.12 km) |
| Castellabate to Otwock | 871.05 mi (1,401.82 km) |
| Castellabate to Ozarow Mazowiecki | 870.14 mi (1,400.35 km) |
| Castellabate to Ozimek | 735.14 mi (1,183.10 km) |
| Castellabate to Ozorkow | 833.37 mi (1,341.17 km) |
| Castellabate to Pabianice | 813.58 mi (1,309.33 km) |
| Castellabate to Parczew | 870.55 mi (1,401.01 km) |
