| Eastleigh to Olympia Heights (Florida) | 4,390.44 mi (7,065.72 km) |
| Eastleigh to Omaha (Nebraska) | 4,265.78 mi (6,865.11 km) |
| Eastleigh to On Top of the World Designated Place (Florida) | 4,305.94 mi (6,929.74 km) |
| Eastleigh to Onalaska (Wisconsin) | 3,961.89 mi (6,376.05 km) |
| Eastleigh to Oneida (New York) | 3,391.60 mi (5,458.25 km) |
| Eastleigh to Oneonta (New York) | 3,393.12 mi (5,460.70 km) |
| Eastleigh to Ontario (California) | 5,405.32 mi (8,699.03 km) |
| Eastleigh to Ontario (Oregon) | 4,828.16 mi (7,770.18 km) |
| Eastleigh to Opa-locka (Florida) | 4,378.06 mi (7,045.81 km) |
| Eastleigh to Opelika (Alabama) | 4,261.76 mi (6,858.63 km) |
| Eastleigh to Opelousas (Louisiana) | 4,642.65 mi (7,471.62 km) |
| Eastleigh to Orange (California) | 5,425.74 mi (8,731.88 km) |
| Eastleigh to Orange (Texas) | 4,731.12 mi (7,614.01 km) |
| Eastleigh to Orange City (Florida) | 4,271.94 mi (6,875.02 km) |
| Eastleigh to Orangeburg (South Carolina) | 4,034.01 mi (6,492.12 km) |
