| Calvia to Opole | 1,070.17 mi (1,722.28 km) |
| Calvia to Orzesze | 1,076.35 mi (1,732.22 km) |
| Calvia to Osowa | 1,266.61 mi (2,038.41 km) |
| Calvia to Ostroda | 1,273.57 mi (2,049.62 km) |
| Calvia to Ostroleka | 1,295.04 mi (2,084.16 km) |
| Calvia to Ostrow Mazowiecka | 1,294.71 mi (2,083.64 km) |
| Calvia to Ostrow Wielkopolski | 1,111.16 mi (1,788.25 km) |
| Calvia to Ostrowiec Swietokrzyski | 1,202.70 mi (1,935.56 km) |
| Calvia to Ostrzeszow | 1,104.07 mi (1,776.82 km) |
| Calvia to Oswiecim | 1,088.74 mi (1,752.15 km) |
| Calvia to Otwock | 1,245.03 mi (2,003.68 km) |
| Calvia to Ozarow Mazowiecki | 1,233.48 mi (1,985.10 km) |
| Calvia to Ozimek | 1,079.91 mi (1,737.94 km) |
| Calvia to Ozorkow | 1,172.62 mi (1,887.15 km) |
| Calvia to Pabianice | 1,161.89 mi (1,869.88 km) |
