| Wetherby to Olympia Heights (Florida) | 4,359.74 mi (7,016.32 km) |
| Wetherby to Omaha (Nebraska) | 4,159.12 mi (6,693.46 km) |
| Wetherby to On Top of the World Designated Place (Florida) | 4,261.18 mi (6,857.71 km) |
| Wetherby to Onalaska (Wisconsin) | 3,857.50 mi (6,208.05 km) |
| Wetherby to Oneida (New York) | 3,319.45 mi (5,342.14 km) |
| Wetherby to Oneonta (New York) | 3,324.36 mi (5,350.04 km) |
| Wetherby to Ontario (California) | 5,271.77 mi (8,484.09 km) |
| Wetherby to Ontario (Oregon) | 4,680.17 mi (7,532.01 km) |
| Wetherby to Opa-locka (Florida) | 4,347.12 mi (6,996.02 km) |
| Wetherby to Opelika (Alabama) | 4,199.89 mi (6,759.07 km) |
| Wetherby to Opelousas (Louisiana) | 4,570.45 mi (7,355.43 km) |
| Wetherby to Orange (California) | 5,292.14 mi (8,516.88 km) |
| Wetherby to Orange (Texas) | 4,655.96 mi (7,493.04 km) |
| Wetherby to Orange City (Florida) | 4,230.18 mi (6,807.81 km) |
| Wetherby to Orangeburg (South Carolina) | 3,980.57 mi (6,406.10 km) |
