How far is Helena, MT, from Sudbury?

The distance between Sudbury (Sudbury Airport) and Helena (Helena Regional Airport) is 1474 miles / 2373 kilometers / 1281 nautical miles.

The driving distance from Sudbury (YSB) to Helena (HLN) is 1702 miles / 2739 kilometers, and travel time by car is about 33 hours 27 minutes.

Distance from Sudbury to Helena

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

Vincenty's formula (applied above)

• 1474.465 miles
• 2372.921 kilometers
• 1281.275 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

• 1470.211 miles
• 2366.076 kilometers
• 1277.579 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 Sudbury to Helena?

The estimated flight time from Sudbury Airport to Helena Regional Airport is 3 hours and 17 minutes.

What is the time difference between Sudbury and Helena?

The time difference between Sudbury and Helena is 2 hours. Helena is 2 hours behind Sudbury.

Flight carbon footprint between Sudbury Airport (YSB) and Helena Regional Airport (HLN)

On average, flying from Sudbury to Helena generates about 178 kg of CO2 per passenger, and 178 kilograms equals 392 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Sudbury to Helena

See the map of the shortest flight path between Sudbury Airport (YSB) and Helena Regional Airport (HLN).

Airport information

Origin	Sudbury Airport
City:	Sudbury
Country:	Canada
IATA Code:	YSB
ICAO Code:	CYSB
Coordinates:	46°37′30″N, 80°47′56″W

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