Air Miles Calculator

Distance between St George, UT (SGU) and Twin Falls, ID (TWF)

Flight distance from St George to Twin Falls (St. George Municipal Airport – Magic Valley Regional Airport) is 379 miles / 610 kilometers / 330 nautical miles. Estimated flight time is 1 hour 13 minutes.

Driving distance from St George (SGU) to Twin Falls (TWF) is 532 miles / 856 kilometers and travel time by car is about 8 hours 30 minutes.

Map of flight path and driving directions from St George to Twin Falls.

Shortest flight path between St. George Municipal Airport (SGU) and Magic Valley Regional Airport (TWF).

How far is Twin Falls from St George?

There are several ways to calculate distances between St George and Twin Falls. Here are two common methods:

Vincenty's formula (applied above)
  • 379.266 miles
  • 610.369 kilometers
  • 329.573 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
  • 379.801 miles
  • 611.230 kilometers
  • 330.038 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. George Municipal Airport
City: St George, UT
Country: United States Flag of United States
IATA Code: SGU
ICAO Code: KSGU
Coordinates: 37°2′11″N, 113°30′37″W

B Magic Valley Regional Airport
City: Twin Falls, ID
Country: United States Flag of United States
IATA Code: TWF
ICAO Code: KTWF
Coordinates: 42°28′54″N, 114°29′16″W

Time difference and current local times

There is no time difference between St George and Twin Falls.

Time Difference

St George, UT

 MST

Twin Falls, ID

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 81 kg (178 pounds).

Frequent Flyer Miles Calculator

St George (SGU) → Twin Falls (TWF).

Distance:
379
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
379

Round trip?