How far from Palm Springs to Scottsdale?

It is 285 miles according to google Maps taking this route:

1. Take I-10 EAST, from Palm Springs, to LOOP 202 - EAST at EXIT 147A in PHOENIX, Arizona (EXIT 147C if you use the HOV Lanes [recommended if your car applies]).
2. Take LOOP 202 - EAST to LOOP 101 - NORTH at EXIT 9.
3. Take LOOP 101 - NORTH to Scottsdale.