| Korneuburg to Olympia Heights (Florida) | 5,198.75 mi (8,366.58 km) |
| Korneuburg to Omaha (Nebraska) | 5,001.85 mi (8,049.70 km) |
| Korneuburg to On Top of the World Designated Place (Florida) | 5,109.75 mi (8,223.34 km) |
| Korneuburg to Onalaska (Wisconsin) | 4,702.59 mi (7,568.08 km) |
| Korneuburg to Oneida (New York) | 4,175.73 mi (6,720.18 km) |
| Korneuburg to Oneonta (New York) | 4,180.40 mi (6,727.71 km) |
| Korneuburg to Ontario (California) | 6,075.60 mi (9,777.73 km) |
| Korneuburg to Ontario (Oregon) | 5,455.73 mi (8,780.15 km) |
| Korneuburg to Opa-locka (Florida) | 5,186.33 mi (8,346.59 km) |
| Korneuburg to Opelika (Alabama) | 5,055.04 mi (8,135.30 km) |
| Korneuburg to Opelousas (Louisiana) | 5,426.76 mi (8,733.53 km) |
| Korneuburg to Orange (California) | 6,095.79 mi (9,810.23 km) |
| Korneuburg to Orange (Texas) | 5,512.14 mi (8,870.93 km) |
| Korneuburg to Orange City (Florida) | 5,077.00 mi (8,170.64 km) |
| Korneuburg to Orangeburg (South Carolina) | 4,833.09 mi (7,778.10 km) |
