| Walsall to Olympia Heights (Florida) | 4,347.61 mi (6,996.81 km) |
| Walsall to Omaha (Nebraska) | 4,185.05 mi (6,735.19 km) |
| Walsall to On Top of the World Designated Place (Florida) | 4,255.75 mi (6,848.96 km) |
| Walsall to Onalaska (Wisconsin) | 3,882.12 mi (6,247.67 km) |
| Walsall to Oneida (New York) | 3,327.12 mi (5,354.48 km) |
| Walsall to Oneonta (New York) | 3,330.32 mi (5,359.64 km) |
| Walsall to Ontario (California) | 5,312.73 mi (8,550.02 km) |
| Walsall to Ontario (Oregon) | 4,729.34 mi (7,611.14 km) |
| Walsall to Opa-locka (Florida) | 4,335.11 mi (6,976.68 km) |
| Walsall to Opelika (Alabama) | 4,202.81 mi (6,763.76 km) |
| Walsall to Opelousas (Louisiana) | 4,578.67 mi (7,368.65 km) |
| Walsall to Orange (California) | 5,333.13 mi (8,582.85 km) |
| Walsall to Orange (Texas) | 4,665.70 mi (7,508.72 km) |
| Walsall to Orange City (Florida) | 4,223.28 mi (6,796.72 km) |
| Walsall to Orangeburg (South Carolina) | 3,979.24 mi (6,403.97 km) |
