How far is Helena, MT, from Rochester, MN?
The distance between Rochester (Rochester International Airport) and Helena (Helena Regional Airport) is 966 miles / 1554 kilometers / 839 nautical miles.
The driving distance from Rochester (RST) to Helena (HLN) is 1121 miles / 1804 kilometers, and travel time by car is about 19 hours 49 minutes.
Rochester International Airport – Helena Regional Airport
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Distance from Rochester to Helena
There are several ways to calculate the distance from Rochester to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 965.719 miles
- 1554.175 kilometers
- 839.187 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- 963.130 miles
- 1550.008 kilometers
- 836.937 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 Rochester to Helena?
The estimated flight time from Rochester International Airport to Helena Regional Airport is 2 hours and 19 minutes.
What is the time difference between Rochester and Helena?
The time difference between Rochester and Helena is 1 hour. Helena is 1 hour behind Rochester.
Flight carbon footprint between Rochester International Airport (RST) and Helena Regional Airport (HLN)
On average, flying from Rochester to Helena generates about 148 kg of CO2 per passenger, and 148 kilograms equals 327 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rochester to Helena
See the map of the shortest flight path between Rochester International Airport (RST) and Helena Regional Airport (HLN).
Airport information
| Origin | Rochester International Airport |
|---|---|
| City: | Rochester, MN |
| Country: | United States  |
| IATA Code: | RST |
| ICAO Code: | KRST |
| Coordinates: | 43°54′29″N, 92°30′0″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 |