How far is Idaho Falls, ID, from St George, UT?
The distance between St George (St. George Municipal Airport) and Idaho Falls (Idaho Falls Regional Airport) is 453 miles / 730 kilometers / 394 nautical miles.
The driving distance from St George (SGU) to Idaho Falls (IDA) is 521 miles / 839 kilometers, and travel time by car is about 8 hours 44 minutes.
St. George Municipal Airport – Idaho Falls Regional Airport
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Distance from St George to Idaho Falls
There are several ways to calculate the distance from St George to Idaho Falls. Here are two standard methods:
Vincenty's formula (applied above)- 453.382 miles
- 729.648 kilometers
- 393.978 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 453.965 miles
- 730.586 kilometers
- 394.485 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).
How long does it take to fly from St George to Idaho Falls?
The estimated flight time from St. George Municipal Airport to Idaho Falls Regional Airport is 1 hour and 21 minutes.
What is the time difference between St George and Idaho Falls?
There is no time difference between St George and Idaho Falls.
Flight carbon footprint between St. George Municipal Airport (SGU) and Idaho Falls Regional Airport (IDA)
On average, flying from St George to Idaho Falls generates about 92 kg of CO2 per passenger, and 92 kilograms equals 202 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from St George to Idaho Falls
See the map of the shortest flight path between St. George Municipal Airport (SGU) and Idaho Falls Regional Airport (IDA).
Airport information
| Origin | St. George Municipal Airport |
|---|---|
| City: | St George, UT |
| Country: | United States  |
| IATA Code: | SGU |
| ICAO Code: | KSGU |
| Coordinates: | 37°2′11″N, 113°30′37″W |
| Destination | Idaho Falls Regional Airport |
|---|---|
| City: | Idaho Falls, ID |
| Country: | United States |
| IATA Code: | IDA |
| ICAO Code: | KIDA |
| Coordinates: | 43°30′52″N, 112°4′15″W |