| Cervello to Opole | 995.02 mi (1,601.33 km) |
| Cervello to Orzesze | 1,006.44 mi (1,619.70 km) |
| Cervello to Osowa | 1,175.30 mi (1,891.47 km) |
| Cervello to Ostroda | 1,188.42 mi (1,912.58 km) |
| Cervello to Ostroleka | 1,216.07 mi (1,957.08 km) |
| Cervello to Ostrow Mazowiecka | 1,217.68 mi (1,959.67 km) |
| Cervello to Ostrow Wielkopolski | 1,030.39 mi (1,658.25 km) |
| Cervello to Ostrowiec Swietokrzyski | 1,134.40 mi (1,825.64 km) |
| Cervello to Ostrzeszow | 1,024.80 mi (1,649.26 km) |
| Cervello to Oswiecim | 1,020.71 mi (1,642.68 km) |
| Cervello to Otwock | 1,170.06 mi (1,883.03 km) |
| Cervello to Ozarow Mazowiecki | 1,157.01 mi (1,862.02 km) |
| Cervello to Ozimek | 1,005.47 mi (1,618.15 km) |
| Cervello to Ozorkow | 1,093.93 mi (1,760.51 km) |
| Cervello to Pabianice | 1,085.07 mi (1,746.25 km) |
