How far is Helena, MT, from Texarkana, AR?
The distance between Texarkana (Texarkana Regional Airport) and Helena (Helena Regional Airport) is 1311 miles / 2110 kilometers / 1139 nautical miles.
The driving distance from Texarkana (TXK) to Helena (HLN) is 1753 miles / 2821 kilometers, and travel time by car is about 30 hours 22 minutes.
Texarkana Regional Airport – Helena Regional Airport
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Distance from Texarkana to Helena
There are several ways to calculate the distance from Texarkana to Helena. 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 Texarkana to Helena?
The estimated flight time from Texarkana Regional Airport to Helena Regional Airport is 2 hours and 58 minutes.
What is the time difference between Texarkana and Helena?
The time difference between Texarkana and Helena is 1 hour. Helena is 1 hour behind Texarkana.
Flight carbon footprint between Texarkana Regional Airport (TXK) and Helena Regional Airport (HLN)
On average, flying from Texarkana to Helena 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 Texarkana to Helena
See the map of the shortest flight path between Texarkana Regional Airport (TXK) and Helena Regional Airport (HLN).
Airport information
| Origin | Texarkana Regional Airport |
|---|---|
| City: | Texarkana, AR |
| Country: | United States  |
| IATA Code: | TXK |
| ICAO Code: | KTXK |
| Coordinates: | 33°27′13″N, 93°59′27″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 |