Your Tesla nav estimate can easily be off by 10% due to headwinds, extreme cold or precipitation, even more so if you use cabin heat. Here are some good efficiency techniques you can use (incase you don’t already know these):
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Yep, am aware of these tips. I'd use all of them if it meant I would only need to charge in Payson and Gallup like the in-car nav says. Since I can't predict weather or headwinds on the day of my actual trip, I think I'll just make a day-of decision on whether I charge to 100% in Gallup and send it all the way to Telluride, or hit up Farmington on the way.