How far is Helena, MT, from San Angelo, TX?
The distance between San Angelo (San Angelo Regional Airport) and Helena (Helena Regional Airport) is 1217 miles / 1959 kilometers / 1058 nautical miles.
The driving distance from San Angelo (SJT) to Helena (HLN) is 1542 miles / 2482 kilometers, and travel time by car is about 27 hours 13 minutes.
San Angelo Regional Airport – Helena Regional Airport
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Distance from San Angelo to Helena
There are several ways to calculate the distance from San Angelo to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1217.291 miles
- 1959.041 kilometers
- 1057.797 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- 1218.006 miles
- 1960.190 kilometers
- 1058.418 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 San Angelo to Helena?
The estimated flight time from San Angelo Regional Airport to Helena Regional Airport is 2 hours and 48 minutes.
What is the time difference between San Angelo and Helena?
The time difference between San Angelo and Helena is 1 hour. Helena is 1 hour behind San Angelo.
Flight carbon footprint between San Angelo Regional Airport (SJT) and Helena Regional Airport (HLN)
On average, flying from San Angelo to Helena generates about 162 kg of CO2 per passenger, and 162 kilograms equals 357 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from San Angelo to Helena
See the map of the shortest flight path between San Angelo Regional Airport (SJT) and Helena Regional Airport (HLN).
Airport information
| Origin | San Angelo Regional Airport |
|---|---|
| City: | San Angelo, TX |
| Country: | United States  |
| IATA Code: | SJT |
| ICAO Code: | KSJT |
| Coordinates: | 31°21′27″N, 100°29′45″W |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |