How far is Helena, MT, from Tulsa, OK?
The distance between Tulsa (Tulsa International Airport) and Helena (Helena Regional Airport) is 1099 miles / 1768 kilometers / 955 nautical miles.
The driving distance from Tulsa (TUL) to Helena (HLN) is 1482 miles / 2385 kilometers, and travel time by car is about 25 hours 16 minutes.
Tulsa International Airport – Helena Regional Airport
Search flights
Distance from Tulsa to Helena
There are several ways to calculate the distance from Tulsa to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1098.577 miles
- 1767.988 kilometers
- 954.637 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- 1097.522 miles
- 1766.290 kilometers
- 953.721 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 Tulsa to Helena?
The estimated flight time from Tulsa International Airport to Helena Regional Airport is 2 hours and 34 minutes.
What is the time difference between Tulsa and Helena?
The time difference between Tulsa and Helena is 1 hour. Helena is 1 hour behind Tulsa.
Flight carbon footprint between Tulsa International Airport (TUL) and Helena Regional Airport (HLN)
On average, flying from Tulsa to Helena generates about 157 kg of CO2 per passenger, and 157 kilograms equals 345 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Tulsa to Helena
See the map of the shortest flight path between Tulsa International Airport (TUL) and Helena Regional Airport (HLN).
Airport information
| Origin | Tulsa International Airport |
|---|---|
| City: | Tulsa, OK |
| Country: | United States  |
| IATA Code: | TUL |
| ICAO Code: | KTUL |
| Coordinates: | 36°11′54″N, 95°53′17″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 |