How far is Helena, MT, from Trinidad?

The distance between Trinidad (Alberto Delgado Airport) and Helena (Helena Regional Airport) is 2475 miles / 3984 kilometers / 2151 nautical miles.

Distance from Trinidad to Helena

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

Vincenty's formula (applied above)

• 2475.369 miles
• 3983.720 kilometers
• 2151.036 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

• 2475.383 miles
• 3983.742 kilometers
• 2151.049 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 Trinidad to Helena?

The estimated flight time from Alberto Delgado Airport to Helena Regional Airport is 5 hours and 11 minutes.

What is the time difference between Trinidad and Helena?

The time difference between Trinidad and Helena is 2 hours. Helena is 2 hours behind Trinidad.

Flight carbon footprint between Alberto Delgado Airport (TND) and Helena Regional Airport (HLN)

On average, flying from Trinidad to Helena generates about 272 kg of CO2 per passenger, and 272 kilograms equals 600 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Trinidad to Helena

See the map of the shortest flight path between Alberto Delgado Airport (TND) and Helena Regional Airport (HLN).

Airport information

Origin	Alberto Delgado Airport
City:	Trinidad
Country:	Cuba
IATA Code:	TND
ICAO Code:	MUTD
Coordinates:	21°47′17″N, 79°59′49″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