How far is Helena, MT, from Baltimore, MD?
The distance between Baltimore (Baltimore–Washington International Airport) and Helena (Helena Regional Airport) is 1847 miles / 2973 kilometers / 1605 nautical miles.
The driving distance from Baltimore (BWI) to Helena (HLN) is 2168 miles / 3489 kilometers, and travel time by car is about 39 hours 13 minutes.
Baltimore–Washington International Airport – Helena Regional Airport
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Distance from Baltimore to Helena
There are several ways to calculate the distance from Baltimore to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1847.175 miles
- 2972.740 kilometers
- 1605.151 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- 1842.770 miles
- 2965.651 kilometers
- 1601.323 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 Baltimore to Helena?
The estimated flight time from Baltimore–Washington International Airport to Helena Regional Airport is 3 hours and 59 minutes.
What is the time difference between Baltimore and Helena?
The time difference between Baltimore and Helena is 2 hours. Helena is 2 hours behind Baltimore.
Flight carbon footprint between Baltimore–Washington International Airport (BWI) and Helena Regional Airport (HLN)
On average, flying from Baltimore to Helena generates about 204 kg of CO2 per passenger, and 204 kilograms equals 449 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Baltimore to Helena
See the map of the shortest flight path between Baltimore–Washington International Airport (BWI) and Helena Regional Airport (HLN).
Airport information
| Origin | Baltimore–Washington International Airport |
|---|---|
| City: | Baltimore, MD |
| Country: | United States  |
| IATA Code: | BWI |
| ICAO Code: | KBWI |
| Coordinates: | 39°10′31″N, 76°40′5″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 |