There are
2,725 mi
from Gaithersburg, MD to Bothell, WA
That's the driving distance. It would take 2 days to go from Gaithersburg, Maryland to Bothell, Washington.
The flight distance (direct flight from Gaithersburg, MD to Bothell, WA) is 2,299.52 mi.
2,725 mi = 4,385.98 kms