Denver to Mammoth Cave: Road Trip Guide & Distance

1035.1 miles 1665.8 km · straight line
1141 miles actual route 1836.2 km · driving distance
20h 56min estimated drive time
$110 - $135 estimated fuel cost
~2h 35min flight time
94° E bearing direction

How far is Denver from Mammoth Cave?

The distance from Denver to Mammoth Cave is 1035.1 miles (1665.8 km) as the crow flies. Mammoth Cave is located E of Denver. By car, the driving distance is approximately 1141 miles, taking about 20h 56min. A direct flight would take roughly 2h 35min. Both are located in United States — Denver in Colorado and Mammoth Cave in Kentucky.

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. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. 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 Denver and Mammoth Cave. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Denver to Mammoth Cave

Method Time Est. Cost Best For
Drive 20h 56min $110 - $135 Flexible stops
Fly ~2h 35min $80–200* Speed
Bus ~25h 7min $91–$171* Budget
Train ~27h 13min $137–$399* Comfort

Suggested Stops Between Denver & Mammoth Cave

Quick Facts

Denver
39.74°N, 104.99°W
America/Denver
1609m elevation
Mammoth Cave
37.19°N, 86.10°W
America/New_York
210m elevation
Explore more routes from Mammoth Cave

Did You Know?

  • At walking speed (3 mph), it would take about 345 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 86 hours
  • You could travel this distance about 24.1 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM