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How far is Helena, MT, from Bangkok?

The distance between Bangkok (Suvarnabhumi Airport) and Helena (Helena Regional Airport) is 7813 miles / 12574 kilometers / 6789 nautical miles.

Suvarnabhumi Airport – Helena Regional Airport

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7813
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12574
Kilometers
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Nautical miles

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Distance from Bangkok to Helena

There are several ways to calculate the distance from Bangkok to Helena. Here are two standard methods:

Vincenty's formula (applied above)
  • 7812.961 miles
  • 12573.741 kilometers
  • 6789.277 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
  • 7802.952 miles
  • 12557.634 kilometers
  • 6780.580 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 Bangkok to Helena?

The estimated flight time from Suvarnabhumi Airport to Helena Regional Airport is 15 hours and 17 minutes.

Flight carbon footprint between Suvarnabhumi Airport (BKK) and Helena Regional Airport (HLN)

On average, flying from Bangkok to Helena generates about 971 kg of CO2 per passenger, and 971 kilograms equals 2 141 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Bangkok to Helena

See the map of the shortest flight path between Suvarnabhumi Airport (BKK) and Helena Regional Airport (HLN).

Airport information

Origin Suvarnabhumi Airport
City: Bangkok
Country: Thailand Flag of Thailand
IATA Code: BKK
ICAO Code: VTBS
Coordinates: 13°40′51″N, 100°44′49″E
Destination Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W