| Castellaneta to Orzesze | 663.37 mi (1,067.59 km) |
| Castellaneta to Osowa | 955.70 mi (1,538.05 km) |
| Castellaneta to Ostroda | 913.78 mi (1,470.58 km) |
| Castellaneta to Ostroleka | 886.05 mi (1,425.96 km) |
| Castellaneta to Ostrow Mazowiecka | 872.41 mi (1,404.00 km) |
| Castellaneta to Ostrow Wielkopolski | 762.30 mi (1,226.80 km) |
| Castellaneta to Ostrowiec Swietokrzyski | 743.13 mi (1,195.96 km) |
| Castellaneta to Ostrzeszow | 746.58 mi (1,201.51 km) |
| Castellaneta to Oswiecim | 659.16 mi (1,060.81 km) |
| Castellaneta to Otwock | 819.49 mi (1,318.85 km) |
| Castellaneta to Ozarow Mazowiecki | 820.94 mi (1,321.18 km) |
| Castellaneta to Ozimek | 696.40 mi (1,120.75 km) |
| Castellaneta to Ozorkow | 790.94 mi (1,272.90 km) |
| Castellaneta to Pabianice | 770.05 mi (1,239.27 km) |
| Castellaneta to Parczew | 810.71 mi (1,304.72 km) |
