| Calarasi to Opole | 625.69 mi (1,006.94 km) |
| Calarasi to Orzesze | 575.07 mi (925.48 km) |
| Calarasi to Osowa | 810.16 mi (1,303.82 km) |
| Calarasi to Ostroda | 735.67 mi (1,183.95 km) |
| Calarasi to Ostroleka | 666.29 mi (1,072.29 km) |
| Calarasi to Ostrow Mazowiecka | 643.71 mi (1,035.95 km) |
| Calarasi to Ostrow Wielkopolski | 676.42 mi (1,088.60 km) |
| Calarasi to Ostrowiec Swietokrzyski | 540.84 mi (870.39 km) |
| Calarasi to Ostrzeszow | 661.43 mi (1,064.47 km) |
| Calarasi to Oswiecim | 554.51 mi (892.39 km) |
| Calarasi to Otwock | 613.80 mi (987.82 km) |
| Calarasi to Ozarow Mazowiecki | 629.72 mi (1,013.43 km) |
| Calarasi to Ozimek | 616.94 mi (992.87 km) |
| Calarasi to Ozorkow | 651.85 mi (1,049.05 km) |
| Calarasi to Pabianice | 632.01 mi (1,017.12 km) |
