How far is Helena, MT, from Phnom Penh?

The distance between Phnom Penh (Phnom Penh International Airport) and Helena (Helena Regional Airport) is 7828 miles / 12598 kilometers / 6802 nautical miles.

Distance from Phnom Penh to Helena

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

Vincenty's formula (applied above)

• 7828.041 miles
• 12598.012 kilometers
• 6802.382 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

• 7818.738 miles
• 12583.038 kilometers
• 6794.297 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 Phnom Penh to Helena?

The estimated flight time from Phnom Penh International Airport to Helena Regional Airport is 15 hours and 19 minutes.

What is the time difference between Phnom Penh and Helena?

The time difference between Phnom Penh and Helena is 14 hours. Helena is 14 hours behind Phnom Penh.

Flight carbon footprint between Phnom Penh International Airport (PNH) and Helena Regional Airport (HLN)

On average, flying from Phnom Penh to Helena generates about 973 kg of CO2 per passenger, and 973 kilograms equals 2 146 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Phnom Penh to Helena

See the map of the shortest flight path between Phnom Penh International Airport (PNH) and Helena Regional Airport (HLN).

Airport information

Origin	Phnom Penh International Airport
City:	Phnom Penh
Country:	Cambodia
IATA Code:	PNH
ICAO Code:	VDPP
Coordinates:	11°32′47″N, 104°50′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