There are
2,334 mi
from League City, TX to Sammamish, WA
That's the driving distance. It would take 1 day 17 hours to go from League City, Texas to Sammamish, Washington.
The flight distance (direct flight from League City, TX to Sammamish, WA) is 1,904.54 mi.
2,334 mi = 3.22 kms