| Oskarshamn to Opole | 459.84 mi (740.04 km) |
| Oskarshamn to Orzesze | 500.44 mi (805.38 km) |
| Oskarshamn to Osowa | 211.14 mi (339.79 km) |
| Oskarshamn to Ostroda | 282.10 mi (454.00 km) |
| Oskarshamn to Ostroleka | 353.23 mi (568.47 km) |
| Oskarshamn to Ostrow Mazowiecka | 376.24 mi (605.50 km) |
| Oskarshamn to Ostrow Wielkopolski | 391.84 mi (630.61 km) |
| Oskarshamn to Ostrowiec Swietokrzyski | 480.95 mi (774.02 km) |
| Oskarshamn to Ostrzeszow | 408.45 mi (657.33 km) |
| Oskarshamn to Oswiecim | 511.95 mi (823.91 km) |
| Oskarshamn to Otwock | 404.16 mi (650.43 km) |
| Oskarshamn to Ozarow Mazowiecki | 389.39 mi (626.66 km) |
| Oskarshamn to Ozimek | 461.02 mi (741.94 km) |
| Oskarshamn to Ozorkow | 383.14 mi (616.61 km) |
| Oskarshamn to Pabianice | 405.36 mi (652.36 km) |
