| Mering to Orzesze | 373.80 mi (601.58 km) |
| Mering to Osowa | 534.00 mi (859.38 km) |
| Mering to Ostroda | 541.28 mi (871.11 km) |
| Mering to Ostroleka | 569.14 mi (915.94 km) |
| Mering to Ostrow Mazowiecka | 571.89 mi (920.37 km) |
| Mering to Ostrow Wielkopolski | 383.13 mi (616.60 km) |
| Mering to Ostrowiec Swietokrzyski | 501.07 mi (806.39 km) |
| Mering to Ostrzeszow | 378.39 mi (608.96 km) |
| Mering to Oswiecim | 391.70 mi (630.38 km) |
| Mering to Otwock | 526.37 mi (847.11 km) |
| Mering to Ozarow Mazowiecki | 511.97 mi (823.94 km) |
| Mering to Ozimek | 364.60 mi (586.77 km) |
| Mering to Ozorkow | 447.56 mi (720.28 km) |
| Mering to Pabianice | 440.24 mi (708.50 km) |
| Mering to Parczew | 576.48 mi (927.75 km) |
