Mammoth Cave to Washington DC: Road Trip Guide & Distance

507 miles 816 km · straight line
644.2 miles actual route 1036.8 km · driving distance
12h 12min estimated drive time
$62 - $76 estimated fuel cost
~1h 31min flight time
74° ENE bearing direction

How far is Mammoth Cave from Washington DC?

The distance from Mammoth Cave to Washington DC is 507 miles (816 km) as the crow flies. Washington DC is located ENE of Mammoth Cave. By car, the driving distance is approximately 644.2 miles, taking about 12h 12min. A direct flight would take roughly 1h 31min. Both are located in United States — Mammoth Cave in Kentucky and Washington DC in District of Columbia.

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.

Coordinates come from public place data for Mammoth Cave and Washington DC. 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 Mammoth Cave to Washington DC

Method Time Est. Cost Best For
Drive 12h 12min $62 - $76 Flexible stops
Fly ~1h 31min $80–200* Speed
Bus ~14h 38min $52–$97* Budget
Train ~15h 52min $77–$225* Comfort

Suggested Stops Between Mammoth Cave & Washington DC

Quick Facts

Mammoth Cave
37.19°N, 86.10°W
America/New_York
210m elevation
Washington DC
38.91°N, 77.04°W
America/New_York
7m elevation
Explore more routes from Washington DC

Did You Know?

  • At walking speed (3 mph), it would take about 169 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 42 hours
  • You could travel this distance about 49.1 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM