| Tortosa to Opole | 1,076.36 mi (1,732.23 km) |
| Tortosa to Orzesze | 1,088.87 mi (1,752.36 km) |
| Tortosa to Osowa | 1,251.16 mi (2,013.55 km) |
| Tortosa to Ostroda | 1,266.60 mi (2,038.40 km) |
| Tortosa to Ostroleka | 1,296.12 mi (2,085.91 km) |
| Tortosa to Ostrow Mazowiecka | 1,298.26 mi (2,089.34 km) |
| Tortosa to Ostrow Wielkopolski | 1,110.20 mi (1,786.70 km) |
| Tortosa to Ostrowiec Swietokrzyski | 1,216.99 mi (1,958.55 km) |
| Tortosa to Ostrzeszow | 1,105.05 mi (1,778.40 km) |
| Tortosa to Oswiecim | 1,103.47 mi (1,775.87 km) |
| Tortosa to Otwock | 1,251.21 mi (2,013.63 km) |
| Tortosa to Ozarow Mazowiecki | 1,237.80 mi (1,992.04 km) |
| Tortosa to Ozimek | 1,086.96 mi (1,749.29 km) |
| Tortosa to Ozorkow | 1,174.23 mi (1,889.74 km) |
| Tortosa to Pabianice | 1,165.87 mi (1,876.28 km) |
