About 150 Miles
They share a common border.
It is 2,765.54 miles according to MapQuest.
It is 76 miles according to Google Maps.
Washington Dulles International Airport is 18 miles from Rockville, Maryland.
The state of Maryland is 90 miles long. It is about 250 miles wide. It is 10,455 square miles in size.
about 1000 miles to Washington state, 2700 to DC
It is about 40 miles from DC to Damascus so it takes about an hour.
The northeast border with Maryland continues to be 10 miles. When it was first established it was a 10 mile square. The portion donated by Virginia was returned to that State in 1846.
1150 miles
about 3100 miles
Washington state has a total area of approximately 71,362 square miles.