Our company palichmos.ru created new plugin for iDempiere. With this plugin you can solve the problem “Does the buyer's address get into the delivery area?”
Plugin name: org.palichmos.community.geometry
Link to repository: https://github.com/NikColonel/org.palichmos.community.geometry/
Detail description will be available in file “README” or wiki
If you have question, please write here or my email polk...@gmail.com