 U.S. Route 411 (Rainbow Drive) is the main road through the city, leading northeast to the center of Gadsden and southwest to Ashville.Alabama State Route 77 (Grand Avenue) crosses US 411 in the center of Rainbow City, leading northwest to Interstate 59 at Exit 181 and south to Lincoln.According to the U.S. Census Bureau, Rainbow City has a total area of , of which is land and , or 0.58%, is water.