How far is San Angelo, TX, from Helena, MT?
The distance between Helena (Helena Regional Airport) and San Angelo (San Angelo Regional Airport) is 1217 miles / 1959 kilometers / 1058 nautical miles.
The driving distance from Helena (HLN) to San Angelo (SJT) is 1543 miles / 2483 kilometers, and travel time by car is about 27 hours 18 minutes.
Helena Regional Airport – San Angelo Regional Airport
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Distance from Helena to San Angelo
There are several ways to calculate the distance from Helena to San Angelo. 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 Helena to San Angelo?
The estimated flight time from Helena Regional Airport to San Angelo Regional Airport is 2 hours and 48 minutes.
What is the time difference between Helena and San Angelo?
The time difference between Helena and San Angelo is 1 hour. San Angelo is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and San Angelo Regional Airport (SJT)
On average, flying from Helena to San Angelo 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 Helena to San Angelo
See the map of the shortest flight path between Helena Regional Airport (HLN) and San Angelo Regional Airport (SJT).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | 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 |