How far is Texarkana, AR, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Texarkana (Texarkana Regional Airport) is 1311 miles / 2110 kilometers / 1139 nautical miles.
The driving distance from Helena (HLN) to Texarkana (TXK) is 1750 miles / 2816 kilometers, and travel time by car is about 30 hours 28 minutes.
Helena Regional Airport – Texarkana Regional Airport
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Distance from Helena to Texarkana
There are several ways to calculate the distance from Helena to Texarkana. Here are two standard methods:
Vincenty's formula (applied above)- 1310.922 miles
- 2109.725 kilometers
- 1139.160 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- 1310.123 miles
- 2108.439 kilometers
- 1138.466 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 Texarkana?
The estimated flight time from Helena Regional Airport to Texarkana Regional Airport is 2 hours and 58 minutes.
What is the time difference between Helena and Texarkana?
The time difference between Helena and Texarkana is 1 hour. Texarkana is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Texarkana Regional Airport (TXK)
On average, flying from Helena to Texarkana generates about 168 kg of CO2 per passenger, and 168 kilograms equals 369 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 Texarkana
See the map of the shortest flight path between Helena Regional Airport (HLN) and Texarkana Regional Airport (TXK).
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 | Texarkana Regional Airport |
|---|---|
| City: | Texarkana, AR |
| Country: | United States |
| IATA Code: | TXK |
| ICAO Code: | KTXK |
| Coordinates: | 33°27′13″N, 93°59′27″W |