KnowGK Largest Subtropical Deserts By Syskool - June 26, 2019 0 FacebookTwitterPinterestWhatsApp Sahara, North Africa 3,320,000 sq. miles Arabian, Middle East 900,000 sq. miles Kalahari, Southern Africa 360,000 sq. miles Great Victoria, Australia 250,000 sq. miles Syrian, Syria, Jordan, Iraq 200,000 sq. miles Chihuahuan, Mexico, U.S. 140,000 sq. miles Thar, India-Pakistan 120,000 sq. miles Great Sandy, Australia 110,036 sq. miles Sonoran, Mexico, US, 100,000 sq. miles Simpson, Australia 68,100 sq. miles Gibson, Australia 60,000 sq. miles Mojave, SW USA 47,877 sq. miles