How far is Helena, MT, from Port of Spain?
The distance between Port of Spain (Piarco International Airport) and Helena (Helena Regional Airport) is 3856 miles / 6206 kilometers / 3351 nautical miles.
Piarco International Airport – Helena Regional Airport
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Distance from Port of Spain to Helena
There are several ways to calculate the distance from Port of Spain to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 3855.933 miles
- 6205.522 kilometers
- 3350.714 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- 3856.670 miles
- 6206.709 kilometers
- 3351.355 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 Port of Spain to Helena?
The estimated flight time from Piarco International Airport to Helena Regional Airport is 7 hours and 48 minutes.
What is the time difference between Port of Spain and Helena?
Flight carbon footprint between Piarco International Airport (POS) and Helena Regional Airport (HLN)
On average, flying from Port of Spain to Helena generates about 438 kg of CO2 per passenger, and 438 kilograms equals 967 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Port of Spain to Helena
See the map of the shortest flight path between Piarco International Airport (POS) and Helena Regional Airport (HLN).
Airport information
| Origin | Piarco International Airport |
|---|---|
| City: | Port of Spain |
| Country: | Trinidad and Tobago  |
| IATA Code: | POS |
| ICAO Code: | TTPP |
| Coordinates: | 10°35′43″N, 61°20′13″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 |