How far is Helena, MT, from Garden City, KS?
The distance between Garden City (Garden City Regional Airport) and Helena (Helena Regional Airport) is 830 miles / 1336 kilometers / 721 nautical miles.
The driving distance from Garden City (GCK) to Helena (HLN) is 1128 miles / 1816 kilometers, and travel time by car is about 19 hours 54 minutes.
Garden City Regional Airport – Helena Regional Airport
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Distance from Garden City to Helena
There are several ways to calculate the distance from Garden City to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 830.248 miles
- 1336.155 kilometers
- 721.466 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- 829.658 miles
- 1335.204 kilometers
- 720.953 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 Garden City to Helena?
The estimated flight time from Garden City Regional Airport to Helena Regional Airport is 2 hours and 4 minutes.
What is the time difference between Garden City and Helena?
The time difference between Garden City and Helena is 1 hour. Helena is 1 hour behind Garden City.
Flight carbon footprint between Garden City Regional Airport (GCK) and Helena Regional Airport (HLN)
On average, flying from Garden City to Helena generates about 138 kg of CO2 per passenger, and 138 kilograms equals 303 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Garden City to Helena
See the map of the shortest flight path between Garden City Regional Airport (GCK) and Helena Regional Airport (HLN).
Airport information
| Origin | Garden City Regional Airport |
|---|---|
| City: | Garden City, KS |
| Country: | United States  |
| IATA Code: | GCK |
| ICAO Code: | KGCK |
| Coordinates: | 37°55′39″N, 100°43′26″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 |