distance boston to washington dc
Distance from Washington, DC to Boston, MA. The total distance from Washington, DC to Boston, MA is 395 miles. This is equivalent to 635 kilometers or 343 nautical miles. Your trip begins in Washington, District of Columbia. It ends in Boston, Massachusetts. Your flight direction from Washington, DC to Boston, MA is Northeast (51 degrees from North). The distance calculator helps you figure out how far it is to fly from Washington, DC to Boston, MA. It does this by computing the straight line flying distance (as the crow flies).