| Gretna to Wells Branch (Texas) | 456.99 mi (735.45 km) |
| Gretna to Wenatchee (Washington) | 2,012.01 mi (3,238.02 km) |
| Gretna to Wentzville (Missouri) | 617.04 mi (993.02 km) |
| Gretna to Weslaco (Texas) | 548.78 mi (883.17 km) |
| Gretna to Wesley Chapel (Florida) | 481.15 mi (774.33 km) |
| Gretna to West Allis (Wisconsin) | 911.76 mi (1,467.34 km) |
| Gretna to West Babylon (New York) | 1,197.60 mi (1,927.34 km) |
| Gretna to West Bend (Wisconsin) | 938.92 mi (1,511.05 km) |
| Gretna to West Carrollton (Ohio) | 749.86 mi (1,206.78 km) |
| Gretna to West Carson (California) | 1,673.73 mi (2,693.61 km) |
| Gretna to West Chester (Pennsylvania) | 1,070.65 mi (1,723.04 km) |
| Gretna to West Chicago (Illinois) | 834.37 mi (1,342.79 km) |
| Gretna to West Columbia (South Carolina) | 595.79 mi (958.84 km) |
| Gretna to West Covina (California) | 1,652.38 mi (2,659.26 km) |
| Gretna to West Des Moines (Iowa) | 830.90 mi (1,337.20 km) |
