How far is Helena, MT, from San Julian?

The distance between San Julian (Capitán José Daniel Vazquez Airport) and Helena (Helena Regional Airport) is 7116 miles / 11452 kilometers / 6184 nautical miles.

Distance from San Julian to Helena

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

Vincenty's formula (applied above)

• 7115.909 miles
• 11451.946 kilometers
• 6183.556 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

• 7136.034 miles
• 11484.334 kilometers
• 6201.044 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 San Julian to Helena?

The estimated flight time from Capitán José Daniel Vazquez Airport to Helena Regional Airport is 13 hours and 58 minutes.

What is the time difference between San Julian and Helena?

The time difference between San Julian and Helena is 4 hours. Helena is 4 hours behind San Julian.

Flight carbon footprint between Capitán José Daniel Vazquez Airport (ULA) and Helena Regional Airport (HLN)

On average, flying from San Julian to Helena generates about 871 kg of CO2 per passenger, and 871 kilograms equals 1 921 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from San Julian to Helena

See the map of the shortest flight path between Capitán José Daniel Vazquez Airport (ULA) and Helena Regional Airport (HLN).

Airport information

Origin	Capitán José Daniel Vazquez Airport
City:	San Julian
Country:	Argentina
IATA Code:	ULA
ICAO Code:	SAWJ
Coordinates:	49°18′24″S, 67°48′9″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