| Korneuburg to Oestrich-Winkel | 393.16 mi (632.72 km) |
| Korneuburg to Offenburg | 385.18 mi (619.88 km) |
| Korneuburg to Oftersheim | 359.11 mi (577.93 km) |
| Korneuburg to Ohrdruf | 303.77 mi (488.87 km) |
| Korneuburg to Ohringen | 316.59 mi (509.50 km) |
| Korneuburg to Olbernhau | 209.35 mi (336.91 km) |
| Korneuburg to Olching | 230.87 mi (371.55 km) |
| Korneuburg to Oldenburg | 485.18 mi (780.83 km) |
| Korneuburg to Oldenburg in Holstein | 473.64 mi (762.26 km) |
| Korneuburg to Olfen | 460.02 mi (740.33 km) |
| Korneuburg to Olpe | 422.11 mi (679.32 km) |
| Korneuburg to Olsberg | 406.39 mi (654.02 km) |
| Korneuburg to Oranienburg | 333.51 mi (536.73 km) |
| Korneuburg to Ortenberg | 355.61 mi (572.30 km) |
| Korneuburg to Oschatz | 249.67 mi (401.81 km) |
