# Distance between New York, NY (LGA) and Helena, MT (HLN)

Flight distance from New York to Helena (New York LaGuardia Airport – Helena Regional Airport) is 1931 miles / 3108 kilometers / 1678 nautical miles. Estimated flight time is 4 hours 9 minutes.

Driving distance from New York (LGA) to Helena (HLN) is 2264 miles / 3643 kilometers and travel time by car is about 38 hours 41 minutes.

## Map of flight path and driving directions from New York to Helena.

Shortest flight path between New York LaGuardia Airport (LGA) and Helena Regional Airport (HLN).

## How far is Helena from New York?

There are several ways to calculate distances between New York and Helena. Here are two common methods:

Vincenty's formula (applied above)
• 1931.288 miles
• 3108.107 kilometers
• 1678.244 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 1926.348 miles
• 3100.156 kilometers
• 1673.950 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).

## Airport information

A New York LaGuardia Airport
City: New York, NY
Country: United States
IATA Code: LGA
ICAO Code: KLGA
Coordinates: 40°46′37″N, 73°52′21″W

B Helena Regional Airport
City: Helena, MT
Country: United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W

## Time difference and current local times

The time difference between New York and Helena is 2 hours. Helena is 2 hours behind New York.

EDT

MDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 211 kg (465 pounds).

## Frequent Flyer Miles Calculator

New York (LGA) → Helena (HLN).

Distance:
1931
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1931

Round trip?