How far is Helena, MT, from Apia?
The distance between Apia (Faleolo International Airport) and Helena (Helena Regional Airport) is 5575 miles / 8972 kilometers / 4845 nautical miles.
Faleolo International Airport – Helena Regional Airport
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Distance from Apia to Helena
There are several ways to calculate the distance from Apia to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 5575.138 miles
- 8972.315 kilometers
- 4844.662 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- 5583.920 miles
- 8986.448 kilometers
- 4852.294 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 Apia to Helena?
The estimated flight time from Faleolo International Airport to Helena Regional Airport is 11 hours and 3 minutes.
What is the time difference between Apia and Helena?
The time difference between Apia and Helena is 20 hours. Helena is 20 hours behind Apia.
Flight carbon footprint between Faleolo International Airport (APW) and Helena Regional Airport (HLN)
On average, flying from Apia to Helena generates about 660 kg of CO2 per passenger, and 660 kilograms equals 1 454 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Apia to Helena
See the map of the shortest flight path between Faleolo International Airport (APW) and Helena Regional Airport (HLN).
Airport information
Origin | Faleolo International Airport |
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City: | Apia |
Country: | Samoa |
IATA Code: | APW |
ICAO Code: | NSFA |
Coordinates: | 13°49′47″S, 172°0′28″W |
Destination | Helena Regional Airport |
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City: | Helena, MT |
Country: | United States |
IATA Code: | HLN |
ICAO Code: | KHLN |
Coordinates: | 46°36′24″N, 111°58′58″W |