How far is Helena, MT, from Grand Rapids, MI?
The distance between Grand Rapids (Gerald R. Ford International Airport) and Helena (Helena Regional Airport) is 1321 miles / 2126 kilometers / 1148 nautical miles.
The driving distance from Grand Rapids (GRR) to Helena (HLN) is 1533 miles / 2467 kilometers, and travel time by car is about 28 hours 26 minutes.
Gerald R. Ford International Airport – Helena Regional Airport
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Distance from Grand Rapids to Helena
There are several ways to calculate the distance from Grand Rapids to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1320.737 miles
- 2125.520 kilometers
- 1147.689 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- 1317.243 miles
- 2119.896 kilometers
- 1144.653 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 Grand Rapids to Helena?
The estimated flight time from Gerald R. Ford International Airport to Helena Regional Airport is 3 hours and 0 minutes.
What is the time difference between Grand Rapids and Helena?
Flight carbon footprint between Gerald R. Ford International Airport (GRR) and Helena Regional Airport (HLN)
On average, flying from Grand Rapids to Helena generates about 168 kg of CO2 per passenger, and 168 kilograms equals 371 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Grand Rapids to Helena
See the map of the shortest flight path between Gerald R. Ford International Airport (GRR) and Helena Regional Airport (HLN).
Airport information
| Origin | Gerald R. Ford International Airport |
|---|---|
| City: | Grand Rapids, MI |
| Country: | United States  |
| IATA Code: | GRR |
| ICAO Code: | KGRR |
| Coordinates: | 42°52′50″N, 85°31′22″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 |