How far is Helena, MT, from Cape Town?

The distance between Cape Town (Cape Town International Airport) and Helena (Helena Regional Airport) is 9736 miles / 15669 kilometers / 8461 nautical miles.

Distance from Cape Town to Helena

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

Vincenty's formula (applied above)

• 9736.355 miles
• 15669.145 kilometers
• 8460.661 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

• 9739.099 miles
• 15673.560 kilometers
• 8463.046 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 Cape Town to Helena?

The estimated flight time from Cape Town International Airport to Helena Regional Airport is 18 hours and 56 minutes.

What is the time difference between Cape Town and Helena?

The time difference between Cape Town and Helena is 9 hours. Helena is 9 hours behind Cape Town.

Flight carbon footprint between Cape Town International Airport (CPT) and Helena Regional Airport (HLN)

On average, flying from Cape Town to Helena generates about 1 260 kg of CO2 per passenger, and 1 260 kilograms equals 2 779 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cape Town to Helena

See the map of the shortest flight path between Cape Town International Airport (CPT) and Helena Regional Airport (HLN).

Airport information

Origin	Cape Town International Airport
City:	Cape Town
Country:	South Africa
IATA Code:	CPT
ICAO Code:	FACT
Coordinates:	33°57′53″S, 18°36′6″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