There are
1,115 mi
from North Las Vegas, NV to Seatac, WA
That's the driving distance. It would take 20 hours 40 mins to go from North Las Vegas, Nevada to Seatac, Washington.
The flight distance (direct flight from North Las Vegas, NV to Seatac, WA) is 860.64 mi.
1,115 mi = 1.61 kms