| Gretna to Dover (New Hampshire) | 1,398.69 mi (2,250.98 km) |
| Gretna to Dover (New Jersey) | 1,152.80 mi (1,855.26 km) |
| Gretna to Dover (Ohio) | 877.88 mi (1,412.82 km) |
| Gretna to Downers Grove (Illinois) | 828.95 mi (1,334.07 km) |
| Gretna to Downey (California) | 1,664.67 mi (2,679.03 km) |
| Gretna to Dranesville (Virginia) | 955.41 mi (1,537.59 km) |
| Gretna to Draper (Utah) | 1,426.20 mi (2,295.25 km) |
| Gretna to Drexel Heights (Arizona) | 1,250.69 mi (2,012.79 km) |
| Gretna to Drexel Hill (Pennsylvania) | 1,083.23 mi (1,743.29 km) |
| Gretna to Duarte (California) | 1,654.92 mi (2,663.34 km) |
| Gretna to Dublin (California) | 1,895.66 mi (3,050.78 km) |
| Gretna to Dublin (Georgia) | 458.20 mi (737.40 km) |
| Gretna to Dublin (Ohio) | 805.27 mi (1,295.96 km) |
| Gretna to Dubuque (Iowa) | 870.65 mi (1,401.18 km) |
| Gretna to Duluth (Georgia) | 446.81 mi (719.07 km) |
