How far is Helena, MT, from Richmond?
The distance between Richmond (Richmond Airport) and Helena (Helena Regional Airport) is 7940 miles / 12779 kilometers / 6900 nautical miles.
Richmond Airport – Helena Regional Airport
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Distance from Richmond to Helena
There are several ways to calculate the distance from Richmond to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 7940.283 miles
- 12778.647 kilometers
- 6899.917 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- 7943.670 miles
- 12784.097 kilometers
- 6902.860 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 Richmond to Helena?
The estimated flight time from Richmond Airport to Helena Regional Airport is 15 hours and 32 minutes.
What is the time difference between Richmond and Helena?
The time difference between Richmond and Helena is 17 hours. Helena is 17 hours behind Richmond.
Flight carbon footprint between Richmond Airport (RCM) and Helena Regional Airport (HLN)
On average, flying from Richmond to Helena generates about 990 kg of CO2 per passenger, and 990 kilograms equals 2 182 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Richmond to Helena
See the map of the shortest flight path between Richmond Airport (RCM) and Helena Regional Airport (HLN).
Airport information
| Origin | Richmond Airport |
|---|---|
| City: | Richmond |
| Country: | Australia  |
| IATA Code: | RCM |
| ICAO Code: | YRMD |
| Coordinates: | 20°42′6″S, 143°6′54″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 |