# Distance between St Louis, MO (STL) and Pierre, SD (PIR)

Flight distance from St Louis to Pierre (St. Louis Lambert International Airport – Pierre Regional Airport) is 644 miles / 1036 kilometers / 559 nautical miles. Estimated flight time is 1 hour 43 minutes.

Driving distance from St Louis (STL) to Pierre (PIR) is 820 miles / 1320 kilometers and travel time by car is about 13 hours 38 minutes.

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

Shortest flight path between St. Louis Lambert International Airport (STL) and Pierre Regional Airport (PIR).

## How far is Pierre from St Louis?

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

Vincenty's formula (applied above)
• 643.668 miles
• 1035.884 kilometers
• 559.332 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
• 642.886 miles
• 1034.625 kilometers
• 558.653 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
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B Pierre Regional Airport
City: Pierre, SD
Country: United States
IATA Code: PIR
ICAO Code: KPIR
Coordinates: 44°22′57″N, 100°17′9″W

## Time difference and current local times

There is no time difference between St Louis and Pierre.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 118 kg (260 pounds).

## Frequent Flyer Miles Calculator

St Louis (STL) → Pierre (PIR).

Distance:
644
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
644

Round trip?