| Uithoorn to Olympia Heights (Florida) | 4,634.34 mi (7,458.25 km) |
| Uithoorn to Omaha (Nebraska) | 4,439.42 mi (7,144.55 km) |
| Uithoorn to On Top of the World Designated Place (Florida) | 4,539.88 mi (7,306.23 km) |
| Uithoorn to Onalaska (Wisconsin) | 4,138.39 mi (6,660.10 km) |
| Uithoorn to Oneida (New York) | 3,602.33 mi (5,797.40 km) |
| Uithoorn to Oneonta (New York) | 3,606.97 mi (5,804.85 km) |
| Uithoorn to Ontario (California) | 5,541.06 mi (8,917.48 km) |
| Uithoorn to Ontario (Oregon) | 4,940.28 mi (7,950.62 km) |
| Uithoorn to Opa-locka (Florida) | 4,621.80 mi (7,438.07 km) |
| Uithoorn to Opelika (Alabama) | 4,481.86 mi (7,212.86 km) |
| Uithoorn to Opelousas (Louisiana) | 4,853.46 mi (7,810.89 km) |
| Uithoorn to Orange (California) | 5,561.39 mi (8,950.19 km) |
| Uithoorn to Orange (Texas) | 4,939.11 mi (7,948.72 km) |
| Uithoorn to Orange City (Florida) | 4,508.09 mi (7,255.07 km) |
| Uithoorn to Orangeburg (South Carolina) | 4,261.11 mi (6,857.59 km) |
