| Alcaniz to Opole | 1,089.27 mi (1,753.00 km) |
| Alcaniz to Orzesze | 1,103.38 mi (1,775.72 km) |
| Alcaniz to Osowa | 1,257.81 mi (2,024.25 km) |
| Alcaniz to Ostroda | 1,275.55 mi (2,052.80 km) |
| Alcaniz to Ostroleka | 1,307.19 mi (2,103.71 km) |
| Alcaniz to Ostrow Mazowiecka | 1,309.97 mi (2,108.19 km) |
| Alcaniz to Ostrow Wielkopolski | 1,121.13 mi (1,804.28 km) |
| Alcaniz to Ostrowiec Swietokrzyski | 1,231.66 mi (1,982.17 km) |
| Alcaniz to Ostrzeszow | 1,116.51 mi (1,796.85 km) |
| Alcaniz to Oswiecim | 1,118.52 mi (1,800.08 km) |
| Alcaniz to Otwock | 1,263.71 mi (2,033.74 km) |
| Alcaniz to Ozarow Mazowiecki | 1,249.83 mi (2,011.41 km) |
| Alcaniz to Ozimek | 1,100.06 mi (1,770.38 km) |
| Alcaniz to Ozorkow | 1,185.69 mi (1,908.18 km) |
| Alcaniz to Pabianice | 1,177.97 mi (1,895.76 km) |
