| Secanj to Opole | 388.92 mi (625.90 km) |
| Secanj to Orzesze | 343.55 mi (552.89 km) |
| Secanj to Osowa | 634.26 mi (1,020.74 km) |
| Secanj to Ostroda | 576.90 mi (928.43 km) |
| Secanj to Ostroleka | 533.22 mi (858.13 km) |
| Secanj to Ostrow Mazowiecka | 516.10 mi (830.59 km) |
| Secanj to Ostrow Wielkopolski | 454.59 mi (731.60 km) |
| Secanj to Ostrowiec Swietokrzyski | 385.70 mi (620.72 km) |
| Secanj to Ostrzeszow | 437.75 mi (704.49 km) |
| Secanj to Oswiecim | 330.70 mi (532.21 km) |
| Secanj to Otwock | 466.92 mi (751.44 km) |
| Secanj to Ozarow Mazowiecki | 473.29 mi (761.69 km) |
| Secanj to Ozimek | 385.18 mi (619.89 km) |
| Secanj to Ozorkow | 461.02 mi (741.95 km) |
| Secanj to Pabianice | 438.74 mi (706.09 km) |
