Distance from Boston, MA to Reykjavik, Iceland. The total distance from Boston, MA to Reykjavik, Iceland is 2,437 miles. This is equivalent to 3 922 kilometers or 2,118 nautical miles. Your trip begins in Boston, Massachusetts. It ends in Reykjavik, Iceland. Your flight direction from Boston, MA to Reykjavik, Iceland is Northeast (35 degrees from North). The distance calculator helps you figure out how far it is to fly from Boston, MA to Reykjavik, Iceland. It does this by computing the straight line flying distance (as the crow flies).