| Cuellar to Opole | 1,237.20 mi (1,991.08 km) |
| Cuellar to Orzesze | 1,257.83 mi (2,024.28 km) |
| Cuellar to Osowa | 1,375.79 mi (2,214.11 km) |
| Cuellar to Ostroda | 1,403.97 mi (2,259.47 km) |
| Cuellar to Ostroleka | 1,444.77 mi (2,325.13 km) |
| Cuellar to Ostrow Mazowiecka | 1,450.39 mi (2,334.17 km) |
| Cuellar to Ostrow Wielkopolski | 1,260.20 mi (2,028.09 km) |
| Cuellar to Ostrowiec Swietokrzyski | 1,385.49 mi (2,229.73 km) |
| Cuellar to Ostrzeszow | 1,257.94 mi (2,024.46 km) |
| Cuellar to Oswiecim | 1,274.98 mi (2,051.88 km) |
| Cuellar to Otwock | 1,408.01 mi (2,265.97 km) |
| Cuellar to Ozarow Mazowiecki | 1,392.26 mi (2,240.62 km) |
| Cuellar to Ozimek | 1,248.70 mi (2,009.59 km) |
| Cuellar to Ozorkow | 1,326.28 mi (2,134.45 km) |
| Cuellar to Pabianice | 1,321.46 mi (2,126.68 km) |
