How far is Helena, MT, from Johannesburg?

The distance between Johannesburg (OR Tambo International Airport) and Helena (Helena Regional Airport) is 9850 miles / 15853 kilometers / 8560 nautical miles.

Distance from Johannesburg to Helena

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

Vincenty's formula (applied above)

• 9850.362 miles
• 15852.621 kilometers
• 8559.731 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

• 9851.070 miles
• 15853.761 kilometers
• 8560.346 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 Johannesburg to Helena?

The estimated flight time from OR Tambo International Airport to Helena Regional Airport is 19 hours and 9 minutes.

What is the time difference between Johannesburg and Helena?

The time difference between Johannesburg and Helena is 9 hours. Helena is 9 hours behind Johannesburg.

Flight carbon footprint between OR Tambo International Airport (JNB) and Helena Regional Airport (HLN)

On average, flying from Johannesburg to Helena generates about 1 278 kg of CO2 per passenger, and 1 278 kilograms equals 2 818 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Johannesburg to Helena

See the map of the shortest flight path between OR Tambo International Airport (JNB) and Helena Regional Airport (HLN).

Airport information

Origin	OR Tambo International Airport
City:	Johannesburg
Country:	South Africa
IATA Code:	JNB
ICAO Code:	FAOR
Coordinates:	26°8′21″S, 28°14′45″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