There are
1,041 mi
from Gaithersburg, MD to Pascagoula, MS
That's the driving distance. It would take 19 hours 9 mins to go from Gaithersburg, Maryland to Pascagoula, Mississippi.
The flight distance (direct flight from Gaithersburg, MD to Pascagoula, MS) is 883.66 mi.
1,041 mi = 1,674.58 kms