| Gretna to Allison Park (Pennsylvania) | 929.75 mi (1,496.28 km) |
| Gretna to Allouez (Wisconsin) | 1,012.20 mi (1,628.99 km) |
| Gretna to Aloha (Oregon) | 2,071.03 mi (3,333.00 km) |
| Gretna to Alpena (Michigan) | 1,107.66 mi (1,782.60 km) |
| Gretna to Alpharetta (Georgia) | 443.99 mi (714.53 km) |
| Gretna to Alpine (California) | 1,584.15 mi (2,549.45 km) |
| Gretna to Alpine (Utah) | 1,421.05 mi (2,286.96 km) |
| Gretna to Alsip (Illinois) | 822.74 mi (1,324.07 km) |
| Gretna to Altadena (California) | 1,665.53 mi (2,680.42 km) |
| Gretna to Altamont (Oregon) | 1,947.24 mi (3,133.79 km) |
| Gretna to Altamonte Springs (Florida) | 528.59 mi (850.69 km) |
| Gretna to Alton (Illinois) | 621.42 mi (1,000.08 km) |
| Gretna to Alton (Texas) | 561.88 mi (904.27 km) |
| Gretna to Altoona (Iowa) | 833.27 mi (1,341.01 km) |
| Gretna to Altoona (Pennsylvania) | 982.46 mi (1,581.11 km) |
