There are
2,641 mi
from Yakima, WA to Gaithersburg, MD
That's the driving distance. It would take 1 day 22 hours to go from Yakima, Washington to Gaithersburg, Maryland.
The flight distance (direct flight from Yakima, WA to Gaithersburg, MD) is 2,222.90 mi.
2,641 mi = 3.22 kms