There are
2,555 mi
from Hagerstown, MD to Temecula, CA
That's the driving distance. It would take 1 day 21 hours to go from Hagerstown, Maryland to Temecula, California.
The flight distance (direct flight from Hagerstown, MD to Temecula, CA) is 2,210.58 mi.
2,555 mi = 4,112.57 kms