Great Smoky Mountains to St. Johns: Road Trip Guide & Distance

How far is Great Smoky Mountains from St. Johns?

The distance from Great Smoky Mountains to St. Johns is 398.4 miles (641.1 km) as the crow flies. St. Johns is located SSE of Great Smoky Mountains. By car, the driving distance is approximately 478 miles, taking about 9h 37min. A direct flight would take roughly 1h 18min. Both are located in United States — Great Smoky Mountains in Tennessee and St. Johns in Florida.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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 Great Smoky Mountains and St. Johns. 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.