| Shafter to Olympia (Washington) | 821.35 mi (1,321.83 km) |
| Shafter to Olympia Heights (Florida) | 2,390.49 mi (3,847.12 km) |
| Shafter to Omaha (Nebraska) | 1,311.44 mi (2,110.56 km) |
| Shafter to On Top of the World Designated Place (Florida) | 2,187.43 mi (3,520.33 km) |
| Shafter to Onalaska (Wisconsin) | 1,588.34 mi (2,556.19 km) |
| Shafter to Oneida (New York) | 2,359.39 mi (3,797.08 km) |
| Shafter to Oneonta (New York) | 2,391.64 mi (3,848.98 km) |
| Shafter to Ontario (California) | 134.52 mi (216.49 km) |
| Shafter to Ontario (Oregon) | 602.15 mi (969.07 km) |
| Shafter to Opa-locka (Florida) | 2,389.91 mi (3,846.19 km) |
| Shafter to Opelika (Alabama) | 1,936.21 mi (3,116.03 km) |
| Shafter to Opelousas (Louisiana) | 1,602.89 mi (2,579.61 km) |
| Shafter to Orange (California) | 139.83 mi (225.03 km) |
| Shafter to Orange (Texas) | 1,518.48 mi (2,443.76 km) |
| Shafter to Orange City (Florida) | 2,247.91 mi (3,617.66 km) |
