How far is Quincy, IL, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Quincy (Quincy Regional Airport) is 1141 miles / 1836 kilometers / 991 nautical miles.
The driving distance from Helena (HLN) to Quincy (UIN) is 1411 miles / 2270 kilometers, and travel time by car is about 25 hours 29 minutes.
Helena Regional Airport – Quincy Regional Airport
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Distance from Helena to Quincy
There are several ways to calculate the distance from Helena to Quincy. Here are two standard methods:
Vincenty's formula (applied above)- 1140.583 miles
- 1835.591 kilometers
- 991.140 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- 1138.181 miles
- 1831.724 kilometers
- 989.052 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 Quincy?
The estimated flight time from Helena Regional Airport to Quincy Regional Airport is 2 hours and 39 minutes.
What is the time difference between Helena and Quincy?
The time difference between Helena and Quincy is 1 hour. Quincy is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Quincy Regional Airport (UIN)
On average, flying from Helena to Quincy generates about 159 kg of CO2 per passenger, and 159 kilograms equals 350 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 Quincy
See the map of the shortest flight path between Helena Regional Airport (HLN) and Quincy Regional Airport (UIN).
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 | Quincy Regional Airport |
|---|---|
| City: | Quincy, IL |
| Country: | United States |
| IATA Code: | UIN |
| ICAO Code: | KUIN |
| Coordinates: | 39°56′33″N, 91°11′40″W |