Mammoth Cave to Mount Vernon, Illinois: Road Trip Guide & Distance

How far is Mammoth Cave from Mount Vernon, Illinois?

The distance from Mammoth Cave to Mount Vernon, Illinois is 171.9 miles (276.6 km) as the crow flies. Mount Vernon, Illinois is located WNW of Mammoth Cave. By car, the driving distance is approximately 214.9 miles, taking about 4h 19min. A direct flight would take roughly 51min. Both are located in United States — Mammoth Cave in Kentucky and Mount Vernon, Illinois in Illinois.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. 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. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Mammoth Cave and Mount Vernon, Illinois. 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.