# Distance between St Louis, MO (STL) and Dauphin (YDN)

Flight distance from St Louis to Dauphin (St. Louis Lambert International Airport – Lt. Col W.G. (Billy) Barker VC Airport) is 974 miles / 1568 kilometers / 847 nautical miles. Estimated flight time is 2 hours 20 minutes.

Driving distance from St Louis (STL) to Dauphin (YDN) is 1255 miles / 2019 kilometers and travel time by car is about 21 hours 40 minutes.

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

Shortest flight path between St. Louis Lambert International Airport (STL) and Lt. Col W.G. (Billy) Barker VC Airport (YDN).

## How far is Dauphin from St Louis?

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

Vincenty's formula (applied above)
• 974.351 miles
• 1568.067 kilometers
• 846.688 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
• 974.156 miles
• 1567.752 kilometers
• 846.518 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 Lt. Col W.G. (Billy) Barker VC Airport
City: Dauphin
IATA Code: YDN
ICAO Code: CYDN
Coordinates: 51°6′2″N, 100°3′7″W

## Time difference and current local times

There is no time difference between St Louis and Dauphin.

CST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 149 kg (329 pounds).

## Frequent Flyer Miles Calculator

St Louis (STL) → Dauphin (YDN).

Distance:
974
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
974

Round trip?