How far is Grand Rapids, MI, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Grand Rapids (Gerald R. Ford International Airport) is 1321 miles / 2126 kilometers / 1148 nautical miles.
The driving distance from Helena (HLN) to Grand Rapids (GRR) is 1532 miles / 2465 kilometers, and travel time by car is about 28 hours 28 minutes.
Helena Regional Airport – Gerald R. Ford International Airport
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Distance from Helena to Grand Rapids
There are several ways to calculate the distance from Helena to Grand Rapids. 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 Helena to Grand Rapids?
The estimated flight time from Helena Regional Airport to Gerald R. Ford International Airport is 3 hours and 0 minutes.
What is the time difference between Helena and Grand Rapids?
Flight carbon footprint between Helena Regional Airport (HLN) and Gerald R. Ford International Airport (GRR)
On average, flying from Helena to Grand Rapids 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 Helena to Grand Rapids
See the map of the shortest flight path between Helena Regional Airport (HLN) and Gerald R. Ford International Airport (GRR).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | 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 |