I know. it's an hour. but I'm alone and staying in big sky is prohibitively expensive, and staying in Bozeman is basically as far as west Yellowstone while being 2 hours further from my starting point in SLC. it's not ideal but I'm trying to make lemonade with this trip. if the weather forecasts are to be believed, I will have clear driving the entire trip :-(
That's not too bad. I also got 56 minutes when I just mapped it.