How far is Houston, TX, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Houston (Houston William P. Hobby Airport) is 1476 miles / 2375 kilometers / 1282 nautical miles.
The driving distance from Helena (HLN) to Houston (HOU) is 1830 miles / 2945 kilometers, and travel time by car is about 32 hours 41 minutes.
Helena Regional Airport – Houston William P. Hobby Airport
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Distance from Helena to Houston
There are several ways to calculate the distance from Helena to Houston. Here are two standard methods:
Vincenty's formula (applied above)- 1475.560 miles
- 2374.684 kilometers
- 1282.227 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- 1475.881 miles
- 2375.201 kilometers
- 1282.506 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 Houston?
The estimated flight time from Helena Regional Airport to Houston William P. Hobby Airport is 3 hours and 17 minutes.
What is the time difference between Helena and Houston?
The time difference between Helena and Houston is 1 hour. Houston is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Houston William P. Hobby Airport (HOU)
On average, flying from Helena to Houston generates about 178 kg of CO2 per passenger, and 178 kilograms equals 392 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 Houston
See the map of the shortest flight path between Helena Regional Airport (HLN) and Houston William P. Hobby Airport (HOU).
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 | Houston William P. Hobby Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States |
| IATA Code: | HOU |
| ICAO Code: | KHOU |
| Coordinates: | 29°38′43″N, 95°16′44″W |