| Levelland to Olympia Heights (Florida) | 1,425.79 mi (2,294.58 km) |
| Levelland to Omaha (Nebraska) | 633.32 mi (1,019.24 km) |
| Levelland to On Top of the World Designated Place (Florida) | 1,222.20 mi (1,966.95 km) |
| Levelland to Onalaska (Wisconsin) | 930.29 mi (1,497.15 km) |
| Levelland to Oneida (New York) | 1,580.02 mi (2,542.80 km) |
| Levelland to Oneonta (New York) | 1,598.49 mi (2,572.52 km) |
| Levelland to Ontario (California) | 874.84 mi (1,407.92 km) |
| Levelland to Ontario (Oregon) | 1,064.68 mi (1,713.43 km) |
| Levelland to Opa-locka (Florida) | 1,424.84 mi (2,293.06 km) |
| Levelland to Opelika (Alabama) | 983.91 mi (1,583.45 km) |
| Levelland to Opelousas (Louisiana) | 637.69 mi (1,026.26 km) |
| Levelland to Orange (California) | 887.96 mi (1,429.04 km) |
| Levelland to Orange (Texas) | 558.30 mi (898.50 km) |
| Levelland to Orange City (Florida) | 1,282.97 mi (2,064.74 km) |
| Levelland to Orangeburg (South Carolina) | 1,235.79 mi (1,988.81 km) |
