| Gretna to Sumter (South Carolina) | 630.72 mi (1,015.04 km) |
| Gretna to Sun City (Arizona) | 1,328.07 mi (2,137.32 km) |
| Gretna to Sun City Center (Florida) | 489.77 mi (788.20 km) |
| Gretna to Sun City West (Arizona) | 1,332.71 mi (2,144.79 km) |
| Gretna to Sun Lakes (Arizona) | 1,302.14 mi (2,095.59 km) |
| Gretna to Sun Prairie (Wisconsin) | 918.14 mi (1,477.60 km) |
| Gretna to Sun Valley (Nevada) | 1,805.12 mi (2,905.06 km) |
| Gretna to Sun Village (California) | 1,656.63 mi (2,666.09 km) |
| Gretna to Sunland Park (New Mexico) | 989.06 mi (1,591.74 km) |
| Gretna to Sunny Isles Beach (Florida) | 664.90 mi (1,070.05 km) |
| Gretna to Sunnyside (Washington) | 1,965.02 mi (3,162.39 km) |
| Gretna to Sunnyvale (California) | 1,900.05 mi (3,057.83 km) |
| Gretna to Sunrise (Florida) | 648.55 mi (1,043.74 km) |
| Gretna to Sunrise Manor (Nevada) | 1,506.27 mi (2,424.11 km) |
| Gretna to Sunset (Florida) | 659.71 mi (1,061.70 km) |
