Mammoth Cave to Smyrna: Road Trip Guide & Distance

How far is Mammoth Cave from Smyrna?

The distance from Mammoth Cave to Smyrna is 86.3 miles (138.9 km) as the crow flies. Smyrna is located SSW of Mammoth Cave. By car, the driving distance is approximately 107.9 miles, taking about 2h 10min. A direct flight would take roughly 40min. Both are located in United States — Mammoth Cave in Kentucky and Smyrna in Tennessee.

This is a quick and easy drive, perfect for a day trip or weekend getaway. You can easily make the round trip in a single day. 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 Smyrna. 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.