Wow, I am surprised by the pessimistic outlook that prevails on making miles. I specifically bought my RV because I don't mind driving, hell stack up enough podcasts and what else would I do with a day? I do think that driving a car would be easier than driving a class a coach, but it also offers advantages. I don't see why stopping is such must? I guess to change drivers but that could be at a rest stop and then no one needs to get out. Basically I can't understand why anyone needs to get out.
I can drive for a full 15-18 hours before I feel like I have earned sleep. With a few adults, why not just rotate drivers every 4 hours and get from east coast to wy in a couple days. Finding a campground is unnecessary, camp at the truckstop for a few hours, dump and hit the road. Keep your food in the fridge eat on the move, ect... When I drive my car or jeep I squeeze minutes out of the travel time. I am always impressed by how the motor homes can hold their average speed up because they never need to stop. I pass the same RV a dozen times over a days driving even though I am going 10 mph faster. I just see planning on only driving for 10-20% of a day as wasting the RV's biggest strengths.
After driving from Florida to WV or CO for skiing in my car,I don't think my motor home is a prison, its a logistical miracle.
Even if you drop the cash on a flight which I will admit will come out in a wash with diesel... You have to leave umpteen hours early for the airport, fly the wrong way to get to a connection and wait, then fly in to your destination, take a shuttle, ect... It's easy for flying to take an entire day, and that day not be nearly as comfortable as sitting in an RV.
I know most will vehemently disagree with me. However I think that for people to tell others making big daily miles with an RV isn't feasible... it's an opinion, not a fact. Don't drive dangerously obviously, stuff needs to be planned. However I would rather take a gaggle of kids in the RV than through several airports.