Springfield, IL

united states

Springfield, Illinois serves as the state capital and sits at the crossroads of I-55 and I-72 in central Illinois. Most visitors arrive via I-55 from Chicago (200 miles north) or St. Louis (100 miles south), while I-72 connects east-west to Decatur and Missouri. Abraham Lincoln Capital Airport is 5 miles northwest of downtown. The Illinois State Capitol has the tallest dome of any state capitol at 361 feet, visible for miles across the flat prairie.