| Lockhart to Odessa (Texas) | 309.06 mi (497.38 km) |
| Lockhart to Ogden (Utah) | 1,119.48 mi (1,801.64 km) |
| Lockhart to Oildale (California) | 1,296.66 mi (2,086.77 km) |
| Lockhart to Ojus (Florida) | 1,102.32 mi (1,774.01 km) |
| Lockhart to Okemos (Michigan) | 1,150.97 mi (1,852.30 km) |
| Lockhart to Oklahoma City (Oklahoma) | 386.29 mi (621.68 km) |
| Lockhart to Okmulgee (Oklahoma) | 408.02 mi (656.64 km) |
| Lockhart to Olathe (Kansas) | 643.13 mi (1,035.02 km) |
| Lockhart to Old Jamestown (Missouri) | 748.63 mi (1,204.81 km) |
| Lockhart to Oldsmar (Florida) | 915.64 mi (1,473.57 km) |
| Lockhart to Olean (New York) | 1,361.75 mi (2,191.52 km) |
| Lockhart to Olive Branch (Mississippi) | 576.03 mi (927.03 km) |
| Lockhart to Olivehurst (California) | 1,494.91 mi (2,405.82 km) |
| Lockhart to Olney (Maryland) | 1,332.30 mi (2,144.13 km) |
| Lockhart to Olympia (Washington) | 1,792.98 mi (2,885.52 km) |
