I'm not retired but have had the privilege of taking my kids on two LONGGGGG vacations and a ton of short ones which allow them to claim 36 states. Just the two long trips add up to about 14,000 miles counting the sight seeing at our destinations. The shorter trips, almost always to some new location would easily add up to well over 50k miles if not closer to 100k.
And unlike NJ, my route for the day is usually following the GPS set to "Shortest Route", which I often refer to as "Fun Route" since it often times puts me on some seriously small back roads, sometimes which I find don't exist. Makes for a fun trip to some really interesting things most people will never see. But my overall trips definitely don't take the shortest route.
2015 Ram 3500 4x4 Crew Cab SRW 6.4 Hemi LB 3.73 (12.4 hand calc avg mpg after 92,000 miles with camper)
2004 Lance 815 (prev: 2004 FW 35'; 1994 TT 30'; Tents)