| Calasparra to Opole | 1,287.34 mi (2,071.77 km) |
| Calasparra to Orzesze | 1,298.13 mi (2,089.13 km) |
| Calasparra to Osowa | 1,465.22 mi (2,358.04 km) |
| Calasparra to Ostroda | 1,480.11 mi (2,382.00 km) |
| Calasparra to Ostroleka | 1,508.46 mi (2,427.64 km) |
| Calasparra to Ostrow Mazowiecka | 1,510.11 mi (2,430.28 km) |
| Calasparra to Ostrow Wielkopolski | 1,322.73 mi (2,128.73 km) |
| Calasparra to Ostrowiec Swietokrzyski | 1,425.89 mi (2,294.75 km) |
| Calasparra to Ostrzeszow | 1,317.21 mi (2,119.85 km) |
| Calasparra to Oswiecim | 1,312.05 mi (2,111.54 km) |
| Calasparra to Otwock | 1,462.42 mi (2,353.53 km) |
| Calasparra to Ozarow Mazowiecki | 1,449.42 mi (2,332.62 km) |
| Calasparra to Ozimek | 1,297.74 mi (2,088.51 km) |
| Calasparra to Ozorkow | 1,386.35 mi (2,231.11 km) |
| Calasparra to Pabianice | 1,377.48 mi (2,216.85 km) |
