How far is Helena, MT, from Fort Leonard Wood, MO?
The distance between Fort Leonard Wood (Waynesville-St. Robert Regional Airport) and Helena (Helena Regional Airport) is 1183 miles / 1904 kilometers / 1028 nautical miles.
The driving distance from Fort Leonard Wood (TBN) to Helena (HLN) is 1460 miles / 2349 kilometers, and travel time by car is about 26 hours 39 minutes.
Waynesville-St. Robert Regional Airport – Helena Regional Airport
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Distance from Fort Leonard Wood to Helena
There are several ways to calculate the distance from Fort Leonard Wood to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1183.335 miles
- 1904.393 kilometers
- 1028.290 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- 1181.401 miles
- 1901.281 kilometers
- 1026.610 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 Fort Leonard Wood to Helena?
The estimated flight time from Waynesville-St. Robert Regional Airport to Helena Regional Airport is 2 hours and 44 minutes.
What is the time difference between Fort Leonard Wood and Helena?
Flight carbon footprint between Waynesville-St. Robert Regional Airport (TBN) and Helena Regional Airport (HLN)
On average, flying from Fort Leonard Wood to Helena generates about 161 kg of CO2 per passenger, and 161 kilograms equals 354 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Fort Leonard Wood to Helena
See the map of the shortest flight path between Waynesville-St. Robert Regional Airport (TBN) and Helena Regional Airport (HLN).
Airport information
| Origin | Waynesville-St. Robert Regional Airport |
|---|---|
| City: | Fort Leonard Wood, MO |
| Country: | United States  |
| IATA Code: | TBN |
| ICAO Code: | KTBN |
| Coordinates: | 37°44′29″N, 92°8′26″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 |