| Gretna to Anoka (Minnesota) | 1,072.55 mi (1,726.10 km) |
| Gretna to Ansonia (Connecticut) | 1,234.43 mi (1,986.63 km) |
| Gretna to Antelope (California) | 1,876.70 mi (3,020.25 km) |
| Gretna to Anthem (Arizona) | 1,320.20 mi (2,124.65 km) |
| Gretna to Antioch (California) | 1,892.53 mi (3,045.74 km) |
| Gretna to Antioch (Illinois) | 875.01 mi (1,408.19 km) |
| Gretna to Apache Junction (Arizona) | 1,283.89 mi (2,066.21 km) |
| Gretna to Apex (North Carolina) | 762.48 mi (1,227.09 km) |
| Gretna to Apollo Beach (Florida) | 486.18 mi (782.43 km) |
| Gretna to Apopka (Florida) | 519.95 mi (836.77 km) |
| Gretna to Apple Valley (California) | 1,614.22 mi (2,597.84 km) |
| Gretna to Apple Valley (Minnesota) | 1,039.31 mi (1,672.62 km) |
| Gretna to Appleton (Wisconsin) | 996.88 mi (1,604.33 km) |
| Gretna to Arbutus (Maryland) | 994.71 mi (1,600.84 km) |
| Gretna to Arcadia (California) | 1,659.81 mi (2,671.20 km) |
