| Grevenmacher to Orzesze | 547.94 mi (881.82 km) |
| Grevenmacher to Osowa | 606.03 mi (975.31 km) |
| Grevenmacher to Ostroda | 641.06 mi (1,031.68 km) |
| Grevenmacher to Ostroleka | 691.44 mi (1,112.76 km) |
| Grevenmacher to Ostrow Mazowiecka | 700.92 mi (1,128.03 km) |
| Grevenmacher to Ostrow Wielkopolski | 515.79 mi (830.09 km) |
| Grevenmacher to Ostrowiec Swietokrzyski | 664.56 mi (1,069.51 km) |
| Grevenmacher to Ostrzeszow | 517.99 mi (833.63 km) |
| Grevenmacher to Oswiecim | 569.08 mi (915.84 km) |
| Grevenmacher to Otwock | 666.28 mi (1,072.27 km) |
| Grevenmacher to Ozarow Mazowiecki | 647.89 mi (1,042.68 km) |
| Grevenmacher to Ozimek | 524.79 mi (844.57 km) |
| Grevenmacher to Ozorkow | 581.45 mi (935.75 km) |
| Grevenmacher to Pabianice | 582.03 mi (936.69 km) |
| Grevenmacher to Parczew | 730.36 mi (1,175.40 km) |
