There are
1,041 mi
from Shawnee, KS to Gaithersburg, MD
That's the driving distance. It would take 19 hours 52 mins to go from Shawnee, Kansas to Gaithersburg, Maryland.
The flight distance (direct flight from Shawnee, KS to Gaithersburg, MD) is 937.88 mi.
1,041 mi = 1,675.23 kms