- 352-km (218-mi) long tornado
- United States (Illinois)
The longest tornado path length travelled at least 352 km (218 mi) through the US states of Missouri, Illinois and Indiana, on 18 March 1925. On 18 March 1925 a tornado travelled at least 352 km through the US states of Missouri, Illinois and Indiana. It killed 695 people, more than any other tornado in US history. The tornado lasted 3.5 hours, longer than any other in recorded history.