| Casoria to Orzesze | 674.12 mi (1,084.89 km) |
| Casoria to Osowa | 954.15 mi (1,535.55 km) |
| Casoria to Ostroda | 922.66 mi (1,484.87 km) |
| Casoria to Ostroleka | 906.61 mi (1,459.05 km) |
| Casoria to Ostrow Mazowiecka | 896.02 mi (1,442.00 km) |
| Casoria to Ostrow Wielkopolski | 761.22 mi (1,225.07 km) |
| Casoria to Ostrowiec Swietokrzyski | 771.83 mi (1,242.14 km) |
| Casoria to Ostrzeszow | 746.90 mi (1,202.03 km) |
| Casoria to Oswiecim | 674.53 mi (1,085.56 km) |
| Casoria to Otwock | 841.89 mi (1,354.89 km) |
| Casoria to Ozarow Mazowiecki | 839.85 mi (1,351.60 km) |
| Casoria to Ozimek | 700.82 mi (1,127.86 km) |
| Casoria to Ozorkow | 800.13 mi (1,287.68 km) |
| Casoria to Pabianice | 780.93 mi (1,256.79 km) |
| Casoria to Parczew | 845.66 mi (1,360.96 km) |
