| Gretna to Arcata (California) | 2,044.67 mi (3,290.57 km) |
| Gretna to Archdale (North Carolina) | 716.40 mi (1,152.94 km) |
| Gretna to Arden-Arcade (California) | 1,876.69 mi (3,020.24 km) |
| Gretna to Ardmore (Oklahoma) | 508.95 mi (819.07 km) |
| Gretna to Ardmore (Pennsylvania) | 1,085.77 mi (1,747.38 km) |
| Gretna to Arecibo (Puerto Rico) | 1,664.23 mi (2,678.31 km) |
| Gretna to Arkadelphia (Arkansas) | 340.76 mi (548.40 km) |
| Gretna to Arkansas City (Kansas) | 637.53 mi (1,026.01 km) |
| Gretna to Arlington (Tennessee) | 370.27 mi (595.90 km) |
| Gretna to Arlington (Texas) | 459.77 mi (739.93 km) |
| Gretna to Arlington (Virginia) | 962.14 mi (1,548.42 km) |
| Gretna to Arlington (Washington) | 2,109.87 mi (3,395.50 km) |
| Gretna to Arlington Heights (Illinois) | 849.76 mi (1,367.55 km) |
| Gretna to Arnold (Maryland) | 995.14 mi (1,601.52 km) |
| Gretna to Arnold (Missouri) | 588.93 mi (947.80 km) |
