There are
2,583 mi
from Rockville, MD to Hemet, CA
That's the driving distance. It would take 1 day 22 hours to go from Rockville, Maryland to Hemet, California.
The flight distance (direct flight from Rockville, MD to Hemet, CA) is 2,226.45 mi.
2,583 mi = 4,156.38 kms