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Directions to Gaithersburg, MD

From Washington Dulles International Airport:

  • Take Dulles Access Road to Exit 18 I-495 N/toward Maryland (13 miles).
  • Travel north on I-495 to left Exit 38/I-270 North (8 miles).
  • Follow I-270 to I-270 Local via Exit 10-11 (10 miles).
  • Merge onto Montgomery Village Ave via Exit 11.
  • Turn left onto MD-355 N/N Frederick Ave.
  • Turn left onto Professional Drive and proceed up the hill to 610 Professional Drive.

From Ronald Reagan Washington National Airport:

  • Take George Washington Memorial Parkway North to I-495 N/toward Maryland (11 miles).
  • Travel north and stay left to Exit 38/I-270 North (5 miles).
  • Follow I-270 to I-270 local via Exit 10-11 (10 miles).
  • Merge onto Montgomery Village Ave via Exit 11.
  • Turn left onto MD-355 N/N Frederick Ave.
  • Turn left onto Professional Drive and proceed up the hill to 610 Professional Drive.

From Baltimore-Washington International Airport:

  • Take I-195W (5 miles).
  • Merge onto I-95 S via Exit 4B towards Washington (20 miles).
  • Merge onto I-495W/Capital Beltway via Exit 27 towards Silver Spring (10 miles).
  • Take I-270 N via Exit 35 towards Frederick.
  • Follow I-270 to I-270 local via Exit 10-11 (11 miles).
  • Merge onto Montgomery Village Ave via Exit 11.
  • Turn left onto MD-355 N/N Frederick Ave.
  • Turn left onto Professional Drive and proceed up the hill to 610 Professional Drive.

From Frederick, Maryland:

  • Take I-270 S to MD-118, Exit 15B-A, toward MD-355/Germantown (18 miles).
  • Take the MD-118 N exit, Exit 15A, on the left toward MD-27/Damascus.
  • Turn left onto Germantown Rd/ MD-118 N.
  • Turn right onto MD-355 S/Frederick Ave.
  • Continue to follow MD-355 S.
  • Turn right onto Professional Dr and proceed up the hill to 610 Professional Drive.
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