| Korneuburg to Oignies | 616.47 mi (992.12 km) |
| Korneuburg to Oissel | 695.28 mi (1,118.94 km) |
| Korneuburg to Olivet | 665.74 mi (1,071.41 km) |
| Korneuburg to Ollioules | 619.64 mi (997.21 km) |
| Korneuburg to Olonne-sur-Mer | 853.24 mi (1,373.16 km) |
| Korneuburg to Oloron-Sainte-Marie | 888.17 mi (1,429.37 km) |
| Korneuburg to Onet Village | 709.27 mi (1,141.47 km) |
| Korneuburg to Onnaing | 589.32 mi (948.42 km) |
| Korneuburg to Orange | 621.77 mi (1,000.65 km) |
| Korneuburg to Orchies | 605.64 mi (974.69 km) |
| Korneuburg to Orleans | 664.98 mi (1,070.18 km) |
| Korneuburg to Orly | 637.37 mi (1,025.74 km) |
| Korneuburg to Ormesson-sur-Marne | 630.61 mi (1,014.88 km) |
| Korneuburg to Orsay | 646.87 mi (1,041.04 km) |
| Korneuburg to Orthez | 885.59 mi (1,425.22 km) |
