How far is Helena, MT, from Nan?
The distance between Nan (Nan Nakhon Airport) and Helena (Helena Regional Airport) is 7488 miles / 12051 kilometers / 6507 nautical miles.
Nan Nakhon Airport – Helena Regional Airport
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Distance from Nan to Helena
There are several ways to calculate the distance from Nan to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 7488.418 miles
- 12051.440 kilometers
- 6507.257 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- 7476.904 miles
- 12032.911 kilometers
- 6497.252 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 Nan to Helena?
The estimated flight time from Nan Nakhon Airport to Helena Regional Airport is 14 hours and 40 minutes.
What is the time difference between Nan and Helena?
The time difference between Nan and Helena is 14 hours. Helena is 14 hours behind Nan.
Flight carbon footprint between Nan Nakhon Airport (NNT) and Helena Regional Airport (HLN)
On average, flying from Nan to Helena generates about 924 kg of CO2 per passenger, and 924 kilograms equals 2 038 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Nan to Helena
See the map of the shortest flight path between Nan Nakhon Airport (NNT) and Helena Regional Airport (HLN).
Airport information
| Origin | Nan Nakhon Airport |
|---|---|
| City: | Nan |
| Country: | Thailand  |
| IATA Code: | NNT |
| ICAO Code: | VTCN |
| Coordinates: | 18°48′28″N, 100°46′58″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 |