How far is Rochester, NY, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Rochester (Greater Rochester International Airport) is 1688 miles / 2717 kilometers / 1467 nautical miles.
The driving distance from Helena (HLN) to Rochester (ROC) is 1964 miles / 3160 kilometers, and travel time by car is about 36 hours 39 minutes.
Helena Regional Airport – Greater Rochester International Airport
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Distance from Helena to Rochester
There are several ways to calculate the distance from Helena to Rochester. Here are two standard methods:
Vincenty's formula (applied above)- 1688.487 miles
- 2717.357 kilometers
- 1467.255 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- 1683.908 miles
- 2709.986 kilometers
- 1463.276 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 Helena to Rochester?
The estimated flight time from Helena Regional Airport to Greater Rochester International Airport is 3 hours and 41 minutes.
What is the time difference between Helena and Rochester?
The time difference between Helena and Rochester is 2 hours. Rochester is 2 hours ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Greater Rochester International Airport (ROC)
On average, flying from Helena to Rochester generates about 192 kg of CO2 per passenger, and 192 kilograms equals 423 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Helena to Rochester
See the map of the shortest flight path between Helena Regional Airport (HLN) and Greater Rochester International Airport (ROC).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | Greater Rochester International Airport |
|---|---|
| City: | Rochester, NY |
| Country: | United States |
| IATA Code: | ROC |
| ICAO Code: | KROC |
| Coordinates: | 43°7′8″N, 77°40′20″W |