How far is Helena, MT, from Seoul?

The distance between Seoul (Seoul Incheon International Airport) and Helena (Helena Regional Airport) is 5611 miles / 9029 kilometers / 4875 nautical miles.

Distance from Seoul to Helena

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

Vincenty's formula (applied above)

• 5610.622 miles
• 9029.421 kilometers
• 4875.497 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

• 5596.669 miles
• 9006.965 kilometers
• 4863.372 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 Seoul to Helena?

The estimated flight time from Seoul Incheon International Airport to Helena Regional Airport is 11 hours and 7 minutes.

What is the time difference between Seoul and Helena?

The time difference between Seoul and Helena is 16 hours. Helena is 16 hours behind Seoul.

Flight carbon footprint between Seoul Incheon International Airport (ICN) and Helena Regional Airport (HLN)

On average, flying from Seoul to Helena generates about 664 kg of CO2 per passenger, and 664 kilograms equals 1 465 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seoul to Helena

See the map of the shortest flight path between Seoul Incheon International Airport (ICN) and Helena Regional Airport (HLN).

Airport information

Origin	Seoul Incheon International Airport
City:	Seoul
Country:	South Korea
IATA Code:	ICN
ICAO Code:	RKSI
Coordinates:	37°27′36″N, 126°26′26″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