How far is Helena, MT, from Quincy, IL?
The distance between Quincy (Quincy Regional Airport) and Helena (Helena Regional Airport) is 1141 miles / 1836 kilometers / 991 nautical miles.
The driving distance from Quincy (UIN) to Helena (HLN) is 1407 miles / 2265 kilometers, and travel time by car is about 25 hours 20 minutes.
Quincy Regional Airport – Helena Regional Airport
Search flights
Distance from Quincy to Helena
There are several ways to calculate the distance from Quincy to Helena. 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 Quincy to Helena?
The estimated flight time from Quincy Regional Airport to Helena Regional Airport is 2 hours and 39 minutes.
What is the time difference between Quincy and Helena?
The time difference between Quincy and Helena is 1 hour. Helena is 1 hour behind Quincy.
Flight carbon footprint between Quincy Regional Airport (UIN) and Helena Regional Airport (HLN)
On average, flying from Quincy to Helena 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 Quincy to Helena
See the map of the shortest flight path between Quincy Regional Airport (UIN) and Helena Regional Airport (HLN).
Airport information
| Origin | Quincy Regional Airport |
|---|---|
| City: | Quincy, IL |
| Country: | United States  |
| IATA Code: | UIN |
| ICAO Code: | KUIN |
| Coordinates: | 39°56′33″N, 91°11′40″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 |