There are
1,610 mi
from Gaithersburg, MD to San Angelo, TX
That's the driving distance. It would take 1 day 4 hours to go from Gaithersburg, Maryland to San Angelo, Texas.
The flight distance (direct flight from Gaithersburg, MD to San Angelo, TX) is 1,408.46 mi.
1,610 mi = 2,590.51 kms