| Simeria to Opole | 406.35 mi (653.96 km) |
| Simeria to Orzesze | 356.32 mi (573.44 km) |
| Simeria to Osowa | 625.46 mi (1,006.58 km) |
| Simeria to Ostroda | 558.99 mi (899.60 km) |
| Simeria to Ostroleka | 502.79 mi (809.17 km) |
| Simeria to Ostrow Mazowiecka | 482.78 mi (776.95 km) |
| Simeria to Ostrow Wielkopolski | 465.06 mi (748.45 km) |
| Simeria to Ostrowiec Swietokrzyski | 358.88 mi (577.56 km) |
| Simeria to Ostrzeszow | 448.83 mi (722.32 km) |
| Simeria to Oswiecim | 338.25 mi (544.36 km) |
| Simeria to Otwock | 440.11 mi (708.29 km) |
| Simeria to Ozarow Mazowiecki | 451.09 mi (725.95 km) |
| Simeria to Ozimek | 399.48 mi (642.90 km) |
| Simeria to Ozorkow | 455.10 mi (732.41 km) |
| Simeria to Pabianice | 433.33 mi (697.37 km) |
