How far is Helena, MT, from Santiago?

The distance between Santiago (Cibao International Airport) and Helena (Helena Regional Airport) is 2993 miles / 4817 kilometers / 2601 nautical miles.

Distance from Santiago to Helena

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

Vincenty's formula (applied above)

• 2993.259 miles
• 4817.184 kilometers
• 2601.071 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

• 2992.441 miles
• 4815.866 kilometers
• 2600.360 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 Santiago to Helena?

The estimated flight time from Cibao International Airport to Helena Regional Airport is 6 hours and 10 minutes.

What is the time difference between Santiago and Helena?

The time difference between Santiago and Helena is 3 hours. Helena is 3 hours behind Santiago.

Flight carbon footprint between Cibao International Airport (STI) and Helena Regional Airport (HLN)

On average, flying from Santiago to Helena generates about 333 kg of CO2 per passenger, and 333 kilograms equals 735 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Santiago to Helena

See the map of the shortest flight path between Cibao International Airport (STI) and Helena Regional Airport (HLN).

Airport information

Origin	Cibao International Airport
City:	Santiago
Country:	Dominican Republic
IATA Code:	STI
ICAO Code:	MDST
Coordinates:	19°24′21″N, 70°36′16″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