Driving this route since 1982, at least 50 round trips and never under 8 hours nonstop. Have done 11 hours in ICE (Internal Combustion Engine) vehicle depending on construction and road accidents. A Tesla Model 3 would need (3) stops of about 20 minutes each, the Model 3 charges faster than my 7 year old Model S, and uses 2/3rds the power.
Getting out to walk and pee every 2-3 hours is a good idea no matter what. My Subaru starts beeping if I don't.
The great thing about "studies" is there is aways one that says anything you want. Especially when the study author has a bias and only talks to those who tell him what he wants to hear, no matter they only heard it from someone else. I only have 7 years driving EV, mostly in Alabama where air conditioning is not a luxury but critical life support equipment. My Tesla's consumption with A/C is almost indistinguishable from not. Takes a few miles to cool down then I've not found any savings turning it off.
I have made the 540 mile trip from northern Alabama to northern Indiana 5 times in the Tesla, and 5 times back. 3 times during Christmas. Those are the numbers I cited, actual numbers in snow. The electric resistance heater sucks a lot of power the first 20 minutes or so until the cabin is warm then it is practically indistinguishable from running A/C. But, when still connected to the charging umbilical one can use the Tesla App on smartphone to remotely heat (or cool) the cabin before departure using the AC power grid not the battery. Once warm consumption stays pretty close to the EPA estimated range which my Tesla uses as a fuel gauge. I don't ever have a "half tank", I have "130 miles remaining." Pretty easy to compare to trip odometers, and the trip computer which also tracks miles and kWh since last charge.