There are
2,052 mi
from Gaithersburg, MD to Holladay, UT
That's the driving distance. It would take 1 day 12 hours to go from Gaithersburg, Maryland to Holladay, Utah.
The flight distance (direct flight from Gaithersburg, MD to Holladay, UT) is 1,826.25 mi.
2,052 mi = 3,301.87 kms