Knoxville to Port Saint Lucie: Road Trip Guide & Distance

634.4 miles 1021 km · straight line
761.3 miles estimated 1225.2 km · driving distance
15h 19min estimated drive time
$73 - $90 estimated fuel cost
~1h 47min flight time
160° SSE bearing direction

How far is Knoxville from Port Saint Lucie?

The distance from Knoxville to Port Saint Lucie is 634.4 miles (1021 km) as the crow flies. Port Saint Lucie is located SSE of Knoxville. By car, the driving distance is approximately 761.3 miles, taking about 15h 19min. A direct flight would take roughly 1h 47min. Both are located in United States — Knoxville in Tennessee and Port Saint Lucie in Florida.

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 Knoxville and Port Saint Lucie. 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.

How to Get from Knoxville to Port Saint Lucie

Method Time Est. Cost Best For
Drive 15h 19min $73 - $90 Flexible stops
Fly ~1h 47min $80–200* Speed
Bus ~18h 23min $61–$114* Budget
Train ~19h 55min $91–$266* Comfort

Suggested Stops Between Knoxville & Port Saint Lucie

Quick Facts

Knoxville
35.96°N, 83.92°W
America/New_York
276m elevation
Port Saint Lucie
27.29°N, 80.35°W
America/New_York
5m elevation
Explore more routes from Port Saint Lucie

Did You Know?

  • At walking speed (3 mph), it would take about 211 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 53 hours
  • You could travel this distance about 39.3 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients