There are
2,497 mi
from Knoxville, TN to Suisun City, CA
That's the driving distance. It would take 1 day 19 hours to go from Knoxville, Tennessee to Suisun City, California.
The flight distance (direct flight from Knoxville, TN to Suisun City, CA) is 2,091.76 mi.
2,497 mi = 3.22 kms