In determining for the purpose of M.G.L. c. 138, § 15A the radius between a church, school or hospital and a premises licensed or to be licensed, or for the purposes of M.G.L. c. 138, § 16C the radius between a church or school and such premises, the distance shall be measured in a straight line from the nearest point of the church, school or hospital building to the nearest point of such premises.
204 CMR, § 2.11