How far is Helena, MT, from Tunis?

The distance between Tunis (Tunis–Carthage International Airport) and Helena (Helena Regional Airport) is 5665 miles / 9117 kilometers / 4923 nautical miles.

Distance from Tunis to Helena

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

Vincenty's formula (applied above)

• 5665.183 miles
• 9117.229 kilometers
• 4922.910 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

• 5651.248 miles
• 9094.802 kilometers
• 4910.800 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 Tunis to Helena?

The estimated flight time from Tunis–Carthage International Airport to Helena Regional Airport is 11 hours and 13 minutes.

What is the time difference between Tunis and Helena?

The time difference between Tunis and Helena is 8 hours. Helena is 8 hours behind Tunis.

Flight carbon footprint between Tunis–Carthage International Airport (TUN) and Helena Regional Airport (HLN)

On average, flying from Tunis to Helena generates about 672 kg of CO2 per passenger, and 672 kilograms equals 1 481 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Tunis to Helena

See the map of the shortest flight path between Tunis–Carthage International Airport (TUN) and Helena Regional Airport (HLN).

Airport information

Origin	Tunis–Carthage International Airport
City:	Tunis
Country:	Tunisia
IATA Code:	TUN
ICAO Code:	DTTA
Coordinates:	36°51′3″N, 10°13′37″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