Silvis is a city in Rock Island County, Illinois, United States. It is part of a larger metropolitan area known as the Quad Cities. The Quad Cities Metropolitan Area is situated across four counties in Illinois and Iowa. It is located four miles (6.4 km) from the interchange of I-80 and I-88, 165 miles (266 km) west of Chicago, and 165 miles (266 km) east of Des Moines. It sits next to East Moline and Moline.