How far is Helena, MT, from Trincomalee?
The distance between Trincomalee (China Bay Airport) and Helena (Helena Regional Airport) is 8549 miles / 13759 kilometers / 7429 nautical miles.
China Bay Airport – Helena Regional Airport
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Distance from Trincomalee to Helena
There are several ways to calculate the distance from Trincomalee to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 8549.308 miles
- 13758.777 kilometers
- 7429.145 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- 8541.136 miles
- 13745.627 kilometers
- 7422.045 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 Trincomalee to Helena?
The estimated flight time from China Bay Airport to Helena Regional Airport is 16 hours and 41 minutes.
What is the time difference between Trincomalee and Helena?
Flight carbon footprint between China Bay Airport (TRR) and Helena Regional Airport (HLN)
On average, flying from Trincomalee to Helena generates about 1 080 kg of CO2 per passenger, and 1 080 kilograms equals 2 380 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Trincomalee to Helena
See the map of the shortest flight path between China Bay Airport (TRR) and Helena Regional Airport (HLN).
Airport information
| Origin | China Bay Airport |
|---|---|
| City: | Trincomalee |
| Country: | Sri Lanka  |
| IATA Code: | TRR |
| ICAO Code: | VCCT |
| Coordinates: | 8°32′18″N, 81°10′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 |