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How far is Fort Leonard Wood, MO, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Fort Leonard Wood (Waynesville-St. Robert Regional Airport) is 1183 miles / 1904 kilometers / 1028 nautical miles.

The driving distance from Helena (HLN) to Fort Leonard Wood (TBN) is 1462 miles / 2353 kilometers, and travel time by car is about 26 hours 45 minutes.

Helena Regional Airport – Waynesville-St. Robert Regional Airport

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1183
Miles
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1904
Kilometers
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1028
Nautical miles

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Distance from Helena to Fort Leonard Wood

There are several ways to calculate the distance from Helena to Fort Leonard Wood. 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 Helena to Fort Leonard Wood?

The estimated flight time from Helena Regional Airport to Waynesville-St. Robert Regional Airport is 2 hours and 44 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Waynesville-St. Robert Regional Airport (TBN)

On average, flying from Helena to Fort Leonard Wood 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 Helena to Fort Leonard Wood

See the map of the shortest flight path between Helena Regional Airport (HLN) and Waynesville-St. Robert Regional Airport (TBN).

Airport information

Origin Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W
Destination Waynesville-St. Robert Regional Airport
City: Fort Leonard Wood, MO
Country: United States Flag of United States
IATA Code: TBN
ICAO Code: KTBN
Coordinates: 37°44′29″N, 92°8′26″W