DeKalb to Lee's Summit: Road Trip Guide & Distance

How far is DeKalb from Lee's Summit?

The distance from DeKalb to Lee's Summit is 362.2 miles (582.9 km) as the crow flies. Lee's Summit is located WSW of DeKalb. By car, the driving distance is approximately 434.6 miles, taking about 8h 45min. A direct flight would take roughly 1h 14min. Both are located in United States — DeKalb in Illinois and Lee's Summit in Missouri.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for DeKalb and Lee's Summit. 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.