It is 52.5 miles southwest of DC on I-95.
It is about 80 miles away
Fredericksburg, VA
About 40 miles taking I-95.
It is 51.6 miles according to Google Maps.
As a native of the Washington D.C. suburbs/Northern Virginia, I'd say Fredericksburg, Va. would be the halfway point.
It is 36.1 miles according to Google Maps.
The address of the Mary Washington House is: 1200 Charles Street, Fredericksburg, VA 22401
It is 130 miles according to Google Maps.
The address of the George Washington Fredericksburg Founda is: 1201 Washington Ave, Fredericksbrg, VA 22401-3747
The address of the Kenmore Association is: 1201 Washington Ave., Fredericksburg, VA 22401
The address of the University Of Mary Washington Art Galleries is: 1301 College Avenue, Fredericksburg, VA 22401