Complex sentence: While Greer is over a four hour drive from Phoenix and a five hour drive from Tucson, it remains one of the most popular summer destinations in Arizona, as it is consistently 20-30 degrees cooler than the deserts.
Split into simpler sentences: While Greer is over a four hour drive from Phoenix and a five hour drive from Tucson, it remains one of the most popular summer destinations in Arizona. As it is consistently 20-30 degrees cooler than the deserts.