How far is Helena, MT, from Coonamble?
The distance between Coonamble (Coonamble Airport) and Helena (Helena Regional Airport) is 8161 miles / 13133 kilometers / 7091 nautical miles.
Coonamble Airport – Helena Regional Airport
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Distance from Coonamble to Helena
There are several ways to calculate the distance from Coonamble to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 8160.548 miles
- 13133.129 kilometers
- 7091.323 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- 8167.569 miles
- 13144.429 kilometers
- 7097.424 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 Coonamble to Helena?
The estimated flight time from Coonamble Airport to Helena Regional Airport is 15 hours and 57 minutes.
What is the time difference between Coonamble and Helena?
The time difference between Coonamble and Helena is 18 hours. Helena is 18 hours behind Coonamble.
Flight carbon footprint between Coonamble Airport (CNB) and Helena Regional Airport (HLN)
On average, flying from Coonamble to Helena generates about 1 022 kg of CO2 per passenger, and 1 022 kilograms equals 2 253 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Coonamble to Helena
See the map of the shortest flight path between Coonamble Airport (CNB) and Helena Regional Airport (HLN).
Airport information
| Origin | Coonamble Airport |
|---|---|
| City: | Coonamble |
| Country: | Australia  |
| IATA Code: | CNB |
| ICAO Code: | YCNM |
| Coordinates: | 30°58′59″S, 148°22′33″E |
| 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 |