| Neu Isenburg to Orzesze | 445.13 mi (716.37 km) |
| Neu Isenburg to Osowa | 511.49 mi (823.16 km) |
| Neu Isenburg to Ostroda | 541.90 mi (872.11 km) |
| Neu Isenburg to Ostroleka | 589.69 mi (949.02 km) |
| Neu Isenburg to Ostrow Mazowiecka | 598.56 mi (963.29 km) |
| Neu Isenburg to Ostrow Wielkopolski | 412.44 mi (663.75 km) |
| Neu Isenburg to Ostrowiec Swietokrzyski | 560.87 mi (902.63 km) |
| Neu Isenburg to Ostrzeszow | 414.37 mi (666.87 km) |
| Neu Isenburg to Oswiecim | 466.47 mi (750.71 km) |
| Neu Isenburg to Otwock | 563.02 mi (906.10 km) |
| Neu Isenburg to Ozarow Mazowiecki | 544.82 mi (876.80 km) |
| Neu Isenburg to Ozimek | 421.22 mi (677.89 km) |
| Neu Isenburg to Ozorkow | 478.28 mi (769.72 km) |
| Neu Isenburg to Pabianice | 478.49 mi (770.05 km) |
| Neu Isenburg to Parczew | 626.66 mi (1,008.51 km) |
