| Gretna to Arroyo Grande (California) | 1,807.59 mi (2,909.04 km) |
| Gretna to Artesia (California) | 1,661.62 mi (2,674.12 km) |
| Gretna to Artesia (New Mexico) | 871.16 mi (1,402.00 km) |
| Gretna to Artondale (Washington) | 2,106.53 mi (3,390.13 km) |
| Gretna to Arvada (Colorado) | 1,093.94 mi (1,760.52 km) |
| Gretna to Arvin (California) | 1,709.00 mi (2,750.37 km) |
| Gretna to Asbury Lake (Florida) | 494.71 mi (796.16 km) |
| Gretna to Asbury Park (New Jersey) | 1,150.29 mi (1,851.21 km) |
| Gretna to Ashburn (Virginia) | 952.41 mi (1,532.76 km) |
| Gretna to Asheboro (North Carolina) | 716.55 mi (1,153.18 km) |
| Gretna to Asheville (North Carolina) | 585.16 mi (941.73 km) |
| Gretna to Ashland (California) | 1,907.40 mi (3,069.66 km) |
| Gretna to Ashland (Kentucky) | 726.12 mi (1,168.58 km) |
| Gretna to Ashland (Ohio) | 872.60 mi (1,404.31 km) |
| Gretna to Ashland (Oregon) | 1,995.29 mi (3,211.11 km) |
