| Tarragona to Opole | 1,034.71 mi (1,665.21 km) |
| Tarragona to Orzesze | 1,046.71 mi (1,684.51 km) |
| Tarragona to Osowa | 1,212.15 mi (1,950.76 km) |
| Tarragona to Ostroda | 1,226.47 mi (1,973.82 km) |
| Tarragona to Ostroleka | 1,255.10 mi (2,019.89 km) |
| Tarragona to Ostrow Mazowiecka | 1,256.98 mi (2,022.92 km) |
| Tarragona to Ostrow Wielkopolski | 1,069.28 mi (1,720.83 km) |
| Tarragona to Ostrowiec Swietokrzyski | 1,174.76 mi (1,890.60 km) |
| Tarragona to Ostrzeszow | 1,063.92 mi (1,712.21 km) |
| Tarragona to Oswiecim | 1,061.16 mi (1,707.78 km) |
| Tarragona to Otwock | 1,209.66 mi (1,946.76 km) |
| Tarragona to Ozarow Mazowiecki | 1,196.42 mi (1,925.45 km) |
| Tarragona to Ozimek | 1,045.24 mi (1,682.15 km) |
| Tarragona to Ozorkow | 1,133.08 mi (1,823.52 km) |
| Tarragona to Pabianice | 1,124.48 mi (1,809.68 km) |
