There are
2,784 mi
from Kennewick, WA to Gainesville, FL
That's the driving distance. It would take 2 days 1 hour to go from Kennewick, Washington to Gainesville, Florida.
The flight distance (direct flight from Kennewick, WA to Gainesville, FL) is 2,280.52 mi.
2,784 mi = 4,481.13 kms