Mammoth Cave to Saint George: Road Trip Guide & Distance

How far is Mammoth Cave from Saint George?

The distance from Mammoth Cave to Saint George is 1508.3 miles (2427.4 km) as the crow flies. Saint George is located W of Mammoth Cave. By car, the driving distance is approximately 1810 miles, taking about 36h 25min. A direct flight would take roughly 3h 32min. Both are located in United States — Mammoth Cave in Kentucky and Saint George in Utah.

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. 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. 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 Mammoth Cave and Saint George. 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.