How far is Helena, MT, from Knoxville, TN?
The distance between Knoxville (Knoxville McGhee Tyson Airport) and Helena (Helena Regional Airport) is 1626 miles / 2616 kilometers / 1413 nautical miles.
The driving distance from Knoxville (TYS) to Helena (HLN) is 1991 miles / 3205 kilometers, and travel time by car is about 35 hours 49 minutes.
Knoxville McGhee Tyson Airport – Helena Regional Airport
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Distance from Knoxville to Helena
There are several ways to calculate the distance from Knoxville to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1625.786 miles
- 2616.449 kilometers
- 1412.770 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- 1622.917 miles
- 2611.832 kilometers
- 1410.277 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 Knoxville to Helena?
The estimated flight time from Knoxville McGhee Tyson Airport to Helena Regional Airport is 3 hours and 34 minutes.
What is the time difference between Knoxville and Helena?
The time difference between Knoxville and Helena is 2 hours. Helena is 2 hours behind Knoxville.
Flight carbon footprint between Knoxville McGhee Tyson Airport (TYS) and Helena Regional Airport (HLN)
On average, flying from Knoxville to Helena generates about 188 kg of CO2 per passenger, and 188 kilograms equals 414 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Knoxville to Helena
See the map of the shortest flight path between Knoxville McGhee Tyson Airport (TYS) and Helena Regional Airport (HLN).
Airport information
| Origin | Knoxville McGhee Tyson Airport |
|---|---|
| City: | Knoxville, TN |
| Country: | United States  |
| IATA Code: | TYS |
| ICAO Code: | KTYS |
| Coordinates: | 35°48′39″N, 83°59′38″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 |