| Gretna to Dixon (California) | 1,898.59 mi (3,055.49 km) |
| Gretna to Dixon (Illinois) | 825.16 mi (1,327.97 km) |
| Gretna to Dobbs Ferry (New York) | 1,187.16 mi (1,910.55 km) |
| Gretna to Doctor Phillips (Florida) | 526.05 mi (846.60 km) |
| Gretna to Dodge City (Kansas) | 787.39 mi (1,267.18 km) |
| Gretna to Dolton (Illinois) | 821.15 mi (1,321.52 km) |
| Gretna to Donna (Texas) | 552.89 mi (889.80 km) |
| Gretna to Dorado (Puerto Rico) | 1,689.34 mi (2,718.74 km) |
| Gretna to Doral (Florida) | 655.97 mi (1,055.68 km) |
| Gretna to Doraville (Georgia) | 437.14 mi (703.51 km) |
| Gretna to Dothan (Alabama) | 291.00 mi (468.33 km) |
| Gretna to Douglas (Arizona) | 1,161.36 mi (1,869.03 km) |
| Gretna to Douglas (Georgia) | 441.44 mi (710.43 km) |
| Gretna to Douglasville (Georgia) | 410.33 mi (660.36 km) |
| Gretna to Dover (Delaware) | 1,042.99 mi (1,678.53 km) |
