| Halewood to Olympia Heights (Florida) | 4,305.38 mi (6,928.83 km) |
| Halewood to Omaha (Nebraska) | 4,127.06 mi (6,641.86 km) |
| Halewood to On Top of the World Designated Place (Florida) | 4,210.18 mi (6,775.63 km) |
| Halewood to Onalaska (Wisconsin) | 3,824.51 mi (6,154.96 km) |
| Halewood to Oneida (New York) | 3,275.62 mi (5,271.60 km) |
| Halewood to Oneonta (New York) | 3,279.53 mi (5,277.90 km) |
| Halewood to Ontario (California) | 5,250.84 mi (8,450.40 km) |
| Halewood to Ontario (Oregon) | 4,665.90 mi (7,509.05 km) |
| Halewood to Opa-locka (Florida) | 4,292.81 mi (6,908.61 km) |
| Halewood to Opelika (Alabama) | 4,153.41 mi (6,684.27 km) |
| Halewood to Opelousas (Louisiana) | 4,527.07 mi (7,285.62 km) |
| Halewood to Orange (California) | 5,271.23 mi (8,483.22 km) |
| Halewood to Orange (Texas) | 4,613.50 mi (7,424.70 km) |
| Halewood to Orange City (Florida) | 4,178.41 mi (6,724.51 km) |
| Halewood to Orangeburg (South Carolina) | 3,931.72 mi (6,327.49 km) |
