Tesla Motors Club

I am planning a trip in Canada and want to tow a trailer. Is there any data on the driving distance (not the Direct distance as included in the mobile app) between chargers? Obviously, my towing will likely cut my range in half and I certainly will have to do this trip in the Summer for energy efficiency sake.

I know I could use A Better Route Planner or even the in car app, but it would be nice to have something in a spreadsheet so I can determine how or I would move to destinations (touring parks or other sites) within my vehicles charge radius.