There are
2,560 mi
from Tallahassee, FL to Susanville, CA
That's the driving distance. It would take 1 day 22 hours to go from Tallahassee, Florida to Susanville, California.
The flight distance (direct flight from Tallahassee, FL to Susanville, CA) is 2,143.25 mi.
2,560 mi = 4,120.54 kms