Decatur, Illinois to New Orleans: Road Trip Guide & Distance

How far is Decatur, Illinois from New Orleans?

The distance from Decatur, Illinois to New Orleans is 686.2 miles (1104.3 km) as the crow flies. New Orleans is located S of Decatur, Illinois. By car, the driving distance is approximately 823.4 miles, taking about 16h 34min. A direct flight would take roughly 1h 53min. Both are located in United States — Decatur, Illinois in Illinois and New Orleans in Louisiana.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. As you head South, expect warmer temperatures. Make sure your car's AC is working well before embarking on this journey. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Decatur, Illinois and New Orleans. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.