Vandalia at a glance
- About 7,100 people live in Vandalia.
- It's part of Illinois.
- New York, the largest city in the United States, is about 809 miles away.
- For a bigger city, Decatur is about 61 miles away.
- Towns nearby: Mount Vernon (46 miles), Edwardsville (47 miles) and O'Fallon (51 miles).