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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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.
What is the time difference between St Cloud and Helena?
The time difference between St Cloud and Helena is 1 hour. Helena is 1 hour behind St Cloud.
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  |
| 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 |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |