| Korneuburg to Obernburg am Main | 341.22 mi (549.15 km) |
| Korneuburg to Obernkirchen | 417.72 mi (672.25 km) |
| Korneuburg to Oberschleissheim | 219.15 mi (352.69 km) |
| Korneuburg to Oberstdorf | 287.82 mi (463.20 km) |
| Korneuburg to Obertraubling | 194.90 mi (313.66 km) |
| Korneuburg to Obertshausen | 358.65 mi (577.18 km) |
| Korneuburg to Oberursel | 372.25 mi (599.08 km) |
| Korneuburg to Ochsenfurt | 297.92 mi (479.45 km) |
| Korneuburg to Ochsenhausen | 294.52 mi (473.98 km) |
| Korneuburg to Ochtrup | 483.32 mi (777.83 km) |
| Korneuburg to Odenthal | 451.48 mi (726.58 km) |
| Korneuburg to Oelde | 435.11 mi (700.25 km) |
| Korneuburg to Oelsnitz | 235.75 mi (379.40 km) |
| Korneuburg to Oer-Erkenschwick | 462.82 mi (744.83 km) |
| Korneuburg to Oerlinghausen | 421.28 mi (677.99 km) |
