| Semic to Opole | 368.78 mi (593.49 km) |
| Semic to Orzesze | 351.81 mi (566.19 km) |
| Semic to Osowa | 623.31 mi (1,003.12 km) |
| Semic to Ostroda | 595.34 mi (958.11 km) |
| Semic to Ostroleka | 586.76 mi (944.29 km) |
| Semic to Ostrow Mazowiecka | 578.85 mi (931.57 km) |
| Semic to Ostrow Wielkopolski | 431.27 mi (694.07 km) |
| Semic to Ostrowiec Swietokrzyski | 463.14 mi (745.35 km) |
| Semic to Ostrzeszow | 417.52 mi (671.93 km) |
| Semic to Oswiecim | 356.08 mi (573.05 km) |
| Semic to Otwock | 524.81 mi (844.60 km) |
| Semic to Ozarow Mazowiecki | 519.90 mi (836.69 km) |
| Semic to Ozimek | 373.81 mi (601.58 km) |
| Semic to Ozorkow | 474.25 mi (763.23 km) |
| Semic to Pabianice | 456.36 mi (734.44 km) |
