How far is Helena, MT, from Cairo?

The distance between Cairo (Cairo International Airport) and Helena (Helena Regional Airport) is 6678 miles / 10747 kilometers / 5803 nautical miles.

Distance from Cairo to Helena

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

Vincenty's formula (applied above)

• 6678.077 miles
• 10747.322 kilometers
• 5803.090 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

• 6663.997 miles
• 10724.664 kilometers
• 5790.855 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 Cairo to Helena?

The estimated flight time from Cairo International Airport to Helena Regional Airport is 13 hours and 8 minutes.

What is the time difference between Cairo and Helena?

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

Flight carbon footprint between Cairo International Airport (CAI) and Helena Regional Airport (HLN)

On average, flying from Cairo to Helena generates about 810 kg of CO2 per passenger, and 810 kilograms equals 1 785 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cairo to Helena

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

Airport information

Origin	Cairo International Airport
City:	Cairo
Country:	Egypt
IATA Code:	CAI
ICAO Code:	HECA
Coordinates:	30°7′18″N, 31°24′20″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