| Illertissen to Orzesze | 413.28 mi (665.11 km) |
| Illertissen to Osowa | 560.73 mi (902.41 km) |
| Illertissen to Ostroda | 572.27 mi (920.97 km) |
| Illertissen to Ostroleka | 603.44 mi (971.14 km) |
| Illertissen to Ostrow Mazowiecka | 607.08 mi (977.00 km) |
| Illertissen to Ostrow Wielkopolski | 417.43 mi (671.78 km) |
| Illertissen to Ostrowiec Swietokrzyski | 539.98 mi (869.01 km) |
| Illertissen to Ostrzeszow | 413.62 mi (665.66 km) |
| Illertissen to Oswiecim | 431.58 mi (694.56 km) |
| Illertissen to Otwock | 562.70 mi (905.58 km) |
| Illertissen to Ozarow Mazowiecki | 547.72 mi (881.48 km) |
| Illertissen to Ozimek | 402.43 mi (647.66 km) |
| Illertissen to Ozorkow | 482.62 mi (776.70 km) |
| Illertissen to Pabianice | 476.29 mi (766.52 km) |
| Illertissen to Parczew | 614.63 mi (989.16 km) |
