| Fleron to Olympia Heights (Florida) | 4,696.11 mi (7,557.66 km) |
| Fleron to Omaha (Nebraska) | 4,534.13 mi (7,296.98 km) |
| Fleron to On Top of the World Designated Place (Florida) | 4,608.27 mi (7,416.29 km) |
| Fleron to Onalaska (Wisconsin) | 4,232.07 mi (6,810.86 km) |
| Fleron to Oneida (New York) | 3,682.66 mi (5,926.67 km) |
| Fleron to Oneonta (New York) | 3,685.85 mi (5,931.81 km) |
| Fleron to Ontario (California) | 5,646.10 mi (9,086.53 km) |
| Fleron to Ontario (Oregon) | 5,049.63 mi (8,126.59 km) |
| Fleron to Opa-locka (Florida) | 4,683.69 mi (7,537.67 km) |
| Fleron to Opelika (Alabama) | 4,557.99 mi (7,335.37 km) |
| Fleron to Opelousas (Louisiana) | 4,934.21 mi (7,940.84 km) |
| Fleron to Orange (California) | 5,666.46 mi (9,119.28 km) |
| Fleron to Orange (Texas) | 5,021.16 mi (8,080.78 km) |
| Fleron to Orange City (Florida) | 4,575.09 mi (7,362.90 km) |
| Fleron to Orangeburg (South Carolina) | 4,333.44 mi (6,973.99 km) |
