Medical marijuana dispensary facility, provided that no medical marijuana dispensary facility shall be located within seven hundred (700) feet of a then-existing elementary or secondary school, within seven hundred (700) feet of a then-existing daycare, or within seven hundred (700) feet of a then-existing church. In the case of a freestanding facility, the distance between the facility and the elementary or secondary school, daycare, or church shall be measured from the external wall of the facility structure closest in proximity to the elementary or secondary school, daycare, or church to the closest point of the property line of the elementary or secondary school, daycare, or church. In the case of a facility that is part of a larger structure, such as an office building or strip mall, the distance between the facility and the elementary or secondary school, daycare, or church shall be measured from the entrance or exit of the facility closest in proximity to the elementary or secondary school, daycare, or church to the closest point of the property line of the elementary or secondary school, daycare, or church. The measurements shall be made along the shortest path between the demarcation points that can be lawfully traveled by foot.