| Gretna to Watervliet (New York) | 1,265.24 mi (2,036.20 km) |
| Gretna to Watsonville (California) | 1,882.81 mi (3,030.09 km) |
| Gretna to Wauconda (Illinois) | 860.93 mi (1,385.53 km) |
| Gretna to Waukee (Iowa) | 835.48 mi (1,344.58 km) |
| Gretna to Waukegan (Illinois) | 869.34 mi (1,399.07 km) |
| Gretna to Waukesha (Wisconsin) | 910.50 mi (1,465.31 km) |
| Gretna to Waunakee (Wisconsin) | 917.67 mi (1,476.85 km) |
| Gretna to Waupun (Wisconsin) | 950.80 mi (1,530.16 km) |
| Gretna to Wausau (Wisconsin) | 1,040.22 mi (1,674.07 km) |
| Gretna to Wauwatosa (Wisconsin) | 915.48 mi (1,473.32 km) |
| Gretna to Waverly (Iowa) | 895.50 mi (1,441.16 km) |
| Gretna to Waverly (Michigan) | 935.79 mi (1,506.01 km) |
| Gretna to Waxahachie (Texas) | 436.92 mi (703.16 km) |
| Gretna to Waxhaw (North Carolina) | 643.95 mi (1,036.34 km) |
| Gretna to Waycross (Georgia) | 466.37 mi (750.55 km) |
