| Cervera to Opole | 1,007.27 mi (1,621.04 km) |
| Cervera to Orzesze | 1,020.55 mi (1,642.42 km) |
| Cervera to Osowa | 1,180.55 mi (1,899.91 km) |
| Cervera to Ostroda | 1,196.30 mi (1,925.25 km) |
| Cervera to Ostroleka | 1,226.37 mi (1,973.65 km) |
| Cervera to Ostrow Mazowiecka | 1,228.72 mi (1,977.43 km) |
| Cervera to Ostrow Wielkopolski | 1,040.38 mi (1,674.33 km) |
| Cervera to Ostrowiec Swietokrzyski | 1,148.78 mi (1,848.78 km) |
| Cervera to Ostrzeszow | 1,035.40 mi (1,666.32 km) |
| Cervera to Oswiecim | 1,035.46 mi (1,666.41 km) |
| Cervera to Otwock | 1,181.97 mi (1,902.19 km) |
| Cervera to Ozarow Mazowiecki | 1,168.37 mi (1,880.32 km) |
| Cervera to Ozimek | 1,017.96 mi (1,638.24 km) |
| Cervera to Ozorkow | 1,104.59 mi (1,777.67 km) |
| Cervera to Pabianice | 1,096.46 mi (1,764.59 km) |
