| Lockhart to Duluth (Minnesota) | 1,204.73 mi (1,938.83 km) |
| Lockhart to Dumas (Texas) | 482.14 mi (775.94 km) |
| Lockhart to Dumont (New Jersey) | 1,530.30 mi (2,462.79 km) |
| Lockhart to Duncan (Oklahoma) | 322.43 mi (518.91 km) |
| Lockhart to Duncanville (Texas) | 196.55 mi (316.32 km) |
| Lockhart to Dundalk (Maryland) | 1,364.15 mi (2,195.39 km) |
| Lockhart to Dunedin (Florida) | 908.93 mi (1,462.78 km) |
| Lockhart to Dunkirk (New York) | 1,338.40 mi (2,153.95 km) |
| Lockhart to Dunmore (Pennsylvania) | 1,466.96 mi (2,360.84 km) |
| Lockhart to Dunwoody (Georgia) | 832.16 mi (1,339.23 km) |
| Lockhart to Durango (Colorado) | 776.92 mi (1,250.32 km) |
| Lockhart to Durant (Oklahoma) | 294.30 mi (473.64 km) |
| Lockhart to Durham (North Carolina) | 1,165.44 mi (1,875.60 km) |
| Lockhart to Dyer (Indiana) | 983.53 mi (1,582.85 km) |
| Lockhart to Dyersburg (Tennessee) | 642.50 mi (1,034.01 km) |
