There are
2,494 mi
from Gaithersburg, MD to Moscow, ID
That's the driving distance. It would take 1 day 20 hours to go from Gaithersburg, Maryland to Moscow, Idaho.
The flight distance (direct flight from Gaithersburg, MD to Moscow, ID) is 2,056.53 mi.
2,494 mi = 4,013.37 kms