There are
1,038 mi
from Las Vegas, NV to Washougal, WA
That's the driving distance. It would take 19 hours 14 mins to go from Las Vegas, Nevada to Washougal, Washington.
The flight distance (direct flight from Las Vegas, NV to Washougal, WA) is 743.14 mi.
1,038 mi = 1.61 kms