There are
2,623 mi
from Burbank, CA to Gaithersburg, MD
That's the driving distance. It would take 1 day 23 hours to go from Burbank, California to Gaithersburg, Maryland.
The flight distance (direct flight from Burbank, CA to Gaithersburg, MD) is 2,284.36 mi.
2,623 mi = 3.22 kms