| Korneuburg to Novi di Modena | 351.03 mi (564.93 km) |
| Korneuburg to Novi Ligure | 435.57 mi (700.98 km) |
| Korneuburg to Nuoro | 653.12 mi (1,051.10 km) |
| Korneuburg to Occhiobello | 326.66 mi (525.70 km) |
| Korneuburg to Oderzo | 253.05 mi (407.25 km) |
| Korneuburg to Oggiono | 373.09 mi (600.44 km) |
| Korneuburg to Olbia | 612.89 mi (986.36 km) |
| Korneuburg to Oleggio | 409.32 mi (658.73 km) |
| Korneuburg to Olgiate Comasco | 389.05 mi (626.11 km) |
| Korneuburg to Olgiate Olona | 397.74 mi (640.10 km) |
| Korneuburg to Omegna | 409.58 mi (659.16 km) |
| Korneuburg to Opera | 393.34 mi (633.02 km) |
| Korneuburg to Oppeano | 321.66 mi (517.67 km) |
| Korneuburg to Orbassano | 476.11 mi (766.22 km) |
| Korneuburg to Orbetello | 477.49 mi (768.45 km) |
