How far is Helena, MT, from Bucharest?

The distance between Bucharest (Aurel Vlaicu International Airport) and Helena (Helena Regional Airport) is 5659 miles / 9107 kilometers / 4917 nautical miles.

Distance from Bucharest to Helena

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

Vincenty's formula (applied above)

• 5658.836 miles
• 9107.014 kilometers
• 4917.394 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

• 5643.403 miles
• 9082.176 kilometers
• 4903.983 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 Bucharest to Helena?

The estimated flight time from Aurel Vlaicu International Airport to Helena Regional Airport is 11 hours and 12 minutes.

What is the time difference between Bucharest and Helena?

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

Flight carbon footprint between Aurel Vlaicu International Airport (BBU) and Helena Regional Airport (HLN)

On average, flying from Bucharest to Helena generates about 671 kg of CO2 per passenger, and 671 kilograms equals 1 479 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Bucharest to Helena

See the map of the shortest flight path between Aurel Vlaicu International Airport (BBU) and Helena Regional Airport (HLN).

Airport information

Origin	Aurel Vlaicu International Airport
City:	Bucharest
Country:	Romania
IATA Code:	BBU
ICAO Code:	LRBS
Coordinates:	44°30′11″N, 26°6′7″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