How far is Helena, MT, from Singapore?

The distance between Singapore (Singapore Changi Airport) and Helena (Helena Regional Airport) is 8477 miles / 13642 kilometers / 7366 nautical miles.

Distance from Singapore to Helena

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

Vincenty's formula (applied above)

• 8476.506 miles
• 13641.614 kilometers
• 7365.882 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

• 8470.432 miles
• 13631.839 kilometers
• 7360.604 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 Singapore to Helena?

The estimated flight time from Singapore Changi Airport to Helena Regional Airport is 16 hours and 32 minutes.

What is the time difference between Singapore and Helena?

The time difference between Singapore and Helena is 15 hours. Helena is 15 hours behind Singapore.

Flight carbon footprint between Singapore Changi Airport (SIN) and Helena Regional Airport (HLN)

On average, flying from Singapore to Helena generates about 1 069 kg of CO2 per passenger, and 1 069 kilograms equals 2 356 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Singapore to Helena

See the map of the shortest flight path between Singapore Changi Airport (SIN) and Helena Regional Airport (HLN).

Airport information

Origin	Singapore Changi Airport
City:	Singapore
Country:	Singapore
IATA Code:	SIN
ICAO Code:	WSSS
Coordinates:	1°21′0″N, 103°59′38″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