Don,
I am afraid I am going to add another non-answer to your question. We have done single nights and even less from time to time. As it is, I don't even log it as an excursion unless I have to buy fuel along the way. That makes about 400 miles and a long day to qualify. That does not mean we won't go.
Our coach is smaller and older than most, and the fact that I can keep it in our own barn means it can be ready to go almost any time. During the travel season, I keep the black tank empty and the potable full.
Very soon, we will drive about 90 miles to a one day event. We will take the coach as a support system. We are going to a park that is supposed to have electricity and basic support, but we will get there with potable water, a refrigerator (with ice), a stove and a microwave and still have a comfortable place to nap. That is supposed to be a single day thing, but we and the dogs just might take the slow way home.
We are good for the other extremes too. Back when DW was still working, we did a Bonsai run of 1106 miles to a rally we wanted to get to. Some time after that, there were two rallies and I wanted to get to Yellowstone and some other places, so over the course of several weeks, we did 11,856 miles. This included two partial days at laundromats and careful maintenance planning.
As we are not full timers, I see the coach as a way to make many things more enjoyable.
Matt