I've done the walk from the Sahara to Mandalay Bay and back, but I didn't stop in every casino. That would add another 5 miles of walking! I wouldn't do the same thing in the heat of the summer. Last time I took a long walk on the strip in the summer, the temperature was 118. Crossing the streets, the asphalt was so hot it melted some of the glue that attached the sole to one of my sneakers. I blew a Nike! Step, flop, step, flop, step, flop....