There are
2,528 mi
from San Bernardino, CA to Hagerstown, MD
That's the driving distance. It would take 1 day 21 hours to go from San Bernardino, California to Hagerstown, Maryland.
The flight distance (direct flight from San Bernardino, CA to Hagerstown, MD) is 2,202.10 mi.
2,528 mi = 4,067.93 kms