| Melsele to Orzesze | 636.63 mi (1,024.55 km) |
| Melsele to Osowa | 631.13 mi (1,015.70 km) |
| Melsele to Ostroda | 680.63 mi (1,095.36 km) |
| Melsele to Ostroleka | 742.03 mi (1,194.18 km) |
| Melsele to Ostrow Mazowiecka | 755.23 mi (1,215.42 km) |
| Melsele to Ostrow Wielkopolski | 582.90 mi (938.09 km) |
| Melsele to Ostrowiec Swietokrzyski | 741.69 mi (1,193.64 km) |
| Melsele to Ostrzeszow | 588.82 mi (947.61 km) |
| Melsele to Oswiecim | 658.70 mi (1,060.08 km) |
| Melsele to Otwock | 728.80 mi (1,172.89 km) |
| Melsele to Ozarow Mazowiecki | 708.85 mi (1,140.79 km) |
| Melsele to Ozimek | 606.73 mi (976.44 km) |
| Melsele to Ozorkow | 644.83 mi (1,037.75 km) |
| Melsele to Pabianice | 649.99 mi (1,046.05 km) |
| Melsele to Parczew | 799.00 mi (1,285.87 km) |
