Grand Rapids to Mammoth Cave: Road Trip Guide & Distance

How far is Grand Rapids from Mammoth Cave?

The distance from Grand Rapids to Mammoth Cave is 399.8 miles (643.4 km) as the crow flies. Mammoth Cave is located S of Grand Rapids. By car, the driving distance is approximately 479.8 miles, taking about 9h 39min. A direct flight would take roughly 1h 18min. Both are located in United States — Grand Rapids in Michigan and Mammoth Cave in Kentucky.

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. As you head South, expect warmer temperatures. Make sure your car's AC is working well before embarking on this journey.

Coordinates come from public place data for Grand Rapids and Mammoth Cave. 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.