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How far is Helena, MT, from St Cloud, MN?

The distance between St Cloud (St. Cloud Regional Airport) and Helena (Helena Regional Airport) is 863 miles / 1388 kilometers / 750 nautical miles.

The driving distance from St Cloud (STC) to Helena (HLN) is 999 miles / 1608 kilometers, and travel time by car is about 17 hours 49 minutes.

St. Cloud Regional Airport – Helena Regional Airport

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863
Miles
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1388
Kilometers
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750
Nautical miles

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Distance from St Cloud to Helena

There are several ways to calculate the distance from St Cloud to Helena. Here are two standard methods:

Vincenty's formula (applied above)
  • 862.739 miles
  • 1388.444 kilometers
  • 749.700 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
  • 860.298 miles
  • 1384.515 kilometers
  • 747.578 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 St Cloud to Helena?

The estimated flight time from St. Cloud Regional Airport to Helena Regional Airport is 2 hours and 8 minutes.

Flight carbon footprint between St. Cloud Regional Airport (STC) and Helena Regional Airport (HLN)

On average, flying from St Cloud to Helena generates about 140 kg of CO2 per passenger, and 140 kilograms equals 310 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St Cloud to Helena

See the map of the shortest flight path between St. Cloud Regional Airport (STC) and Helena Regional Airport (HLN).

Airport information

Origin St. Cloud Regional Airport
City: St Cloud, MN
Country: United States Flag of United States
IATA Code: STC
ICAO Code: KSTC
Coordinates: 45°32′47″N, 94°3′35″W
Destination 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