| Kortenberg to Olympia Heights (Florida) | 4,642.91 mi (7,472.04 km) |
| Kortenberg to Omaha (Nebraska) | 4,482.56 mi (7,213.98 km) |
| Kortenberg to On Top of the World Designated Place (Florida) | 4,554.78 mi (7,330.21 km) |
| Kortenberg to Onalaska (Wisconsin) | 4,180.30 mi (6,727.55 km) |
| Kortenberg to Oneida (New York) | 3,629.34 mi (5,840.86 km) |
| Kortenberg to Oneonta (New York) | 3,632.46 mi (5,845.88 km) |
| Kortenberg to Ontario (California) | 5,597.59 mi (9,008.45 km) |
| Kortenberg to Ontario (Oregon) | 5,003.37 mi (8,052.15 km) |
| Kortenberg to Opa-locka (Florida) | 4,630.48 mi (7,452.03 km) |
| Kortenberg to Opelika (Alabama) | 4,504.49 mi (7,249.27 km) |
| Kortenberg to Opelousas (Louisiana) | 4,880.89 mi (7,855.03 km) |
| Kortenberg to Orange (California) | 5,617.96 mi (9,041.23 km) |
| Kortenberg to Orange (Texas) | 4,967.92 mi (7,995.10 km) |
| Kortenberg to Orange City (Florida) | 4,521.64 mi (7,276.88 km) |
| Kortenberg to Orangeburg (South Carolina) | 4,279.90 mi (6,887.83 km) |
