There are
2,452 mi
from Kissimmee, FL to San Jacinto, CA
That's the driving distance. It would take 1 day 18 hours to go from Kissimmee, Florida to San Jacinto, California.
The flight distance (direct flight from Kissimmee, FL to San Jacinto, CA) is 2,127.86 mi.
2,452 mi = 3,945.65 kms