There are
2,037 mi
from Lewisville, TX to Issaquah, WA
That's the driving distance. It would take 1 day 12 hours to go from Lewisville, Texas to Issaquah, Washington.
The flight distance (direct flight from Lewisville, TX to Issaquah, WA) is 1,643.75 mi.
2,037 mi = 3.22 kms