| Lockhart to Oakley (California) | 1,480.81 mi (2,383.13 km) |
| Lockhart to Oakton (Virginia) | 1,314.12 mi (2,114.88 km) |
| Lockhart to Oakville (Missouri) | 725.89 mi (1,168.20 km) |
| Lockhart to Oatfield (Oregon) | 1,722.33 mi (2,771.82 km) |
| Lockhart to Ocala (Florida) | 934.31 mi (1,503.63 km) |
| Lockhart to Ocean Acres (New Jersey) | 1,486.03 mi (2,391.53 km) |
| Lockhart to Ocean City (New Jersey) | 1,458.84 mi (2,347.77 km) |
| Lockhart to Ocean Pines (Maryland) | 1,411.50 mi (2,271.59 km) |
| Lockhart to Ocean Pointe (Hawaii) | 3,765.44 mi (6,059.88 km) |
| Lockhart to Ocean Springs (Mississippi) | 532.72 mi (857.32 km) |
| Lockhart to Oceanside (California) | 1,176.55 mi (1,893.47 km) |
| Lockhart to Oceanside (New York) | 1,539.54 mi (2,477.65 km) |
| Lockhart to Ocoee (Florida) | 977.09 mi (1,572.48 km) |
| Lockhart to Oconomowoc (Wisconsin) | 1,044.85 mi (1,681.52 km) |
| Lockhart to Odenton (Maryland) | 1,348.99 mi (2,170.98 km) |
