How many miles from Greenfield MA to Washington D.C.?

Answer 1

450 miles taking this route:

1. Take I-91 SOUTH from Greenfield to I-95 SOUTH to New York City in New Haven, Connecticut.
2. Take I-95 SOUTH to Washington, D.C. To bypass New York City, take I-287 WEST (via TAPPAN ZEE BRIDGE, as opposed to George Washington BRIDGE) [EXIT 21 off I-95 in NEW YORK (very first exit in New York (state)].