| Gretna to Worthington (Ohio) | 807.74 mi (1,299.92 km) |
| Gretna to Wright (Florida) | 206.96 mi (333.08 km) |
| Gretna to Wyandanch (New York) | 1,198.78 mi (1,929.25 km) |
| Gretna to Wyandotte (Michigan) | 932.30 mi (1,500.39 km) |
| Gretna to Wylie (Texas) | 437.79 mi (704.55 km) |
| Gretna to Wyndham (Virginia) | 892.60 mi (1,436.50 km) |
| Gretna to Wyoming (Michigan) | 928.50 mi (1,494.27 km) |
| Gretna to Wyomissing (Pennsylvania) | 1,070.68 mi (1,723.10 km) |
| Gretna to Xenia (Ohio) | 758.54 mi (1,220.75 km) |
| Gretna to Yakima (Washington) | 1,996.51 mi (3,213.07 km) |
| Gretna to Yankton (South Dakota) | 984.39 mi (1,584.22 km) |
| Gretna to Yauco (Puerto Rico) | 1,673.19 mi (2,692.74 km) |
| Gretna to Yazoo City (Mississippi) | 205.03 mi (329.96 km) |
| Gretna to Yeadon (Pennsylvania) | 1,084.76 mi (1,745.76 km) |
| Gretna to Yelm (Washington) | 2,096.22 mi (3,373.53 km) |
