Air Miles Calculator

Distance between St Louis, MO (STL) and Blountville, TN (TRI)

Flight distance from St Louis to Blountville (St. Louis Lambert International Airport – Blountville Tri-Cities Regional Airport) is 464 miles / 747 kilometers / 403 nautical miles. Estimated flight time is 1 hour 22 minutes.

Driving distance from St Louis (STL) to Blountville (TRI) is 570 miles / 918 kilometers and travel time by car is about 10 hours 8 minutes.

Map of flight path and driving directions from St Louis to Blountville.

Shortest flight path between St. Louis Lambert International Airport (STL) and Blountville Tri-Cities Regional Airport (TRI).

How far is Blountville from St Louis?

There are several ways to calculate distances between St Louis and Blountville. Here are two common methods:

Vincenty's formula (applied above)
  • 463.938 miles
  • 746.636 kilometers
  • 403.151 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 463.066 miles
  • 745.232 kilometers
  • 402.393 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Airport information


A St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B Blountville Tri-Cities Regional Airport
City: Blountville, TN
Country: United States Flag of United States
IATA Code: TRI
ICAO Code: KTRI
Coordinates: 36°28′30″N, 82°24′26″W

Time difference and current local times

The time difference between St Louis and Blountville is 1 hour. Blountville is 1 hour ahead of St Louis.

Time Difference

St Louis, MO

 CST

Blountville, TN

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 93 kg (206 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Blountville (TRI).

Distance:
464
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
464

Round trip?