There are
477 mi
from Temecula, CA to Suisun City, CA
That's the driving distance. It would take 8 hours 54 mins to go from Temecula, California to Suisun City, California.
The flight distance (direct flight from Temecula, CA to Suisun City, CA) is 427.05 mi.
477 mi = 768.09 kms