There are
2,231 mi
from Gaithersburg, MD to Twin Falls, ID
That's the driving distance. It would take 1 day 15 hours to go from Gaithersburg, Maryland to Twin Falls, Idaho.
The flight distance (direct flight from Gaithersburg, MD to Twin Falls, ID) is 1,945.68 mi.
2,231 mi = 3,590.47 kms