How far is Helena, MT, from St Petersburg, FL?
The distance between St Petersburg (St. Pete–Clearwater International Airport) and Helena (Helena Regional Airport) is 2046 miles / 3292 kilometers / 1778 nautical miles.
The driving distance from St Petersburg (PIE) to Helena (HLN) is 2531 miles / 4074 kilometers, and travel time by car is about 45 hours 51 minutes.
St. Pete–Clearwater International Airport – Helena Regional Airport
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Distance from St Petersburg to Helena
There are several ways to calculate the distance from St Petersburg to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 2045.762 miles
- 3292.335 kilometers
- 1777.719 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- 2044.431 miles
- 3290.193 kilometers
- 1776.562 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 St Petersburg to Helena?
The estimated flight time from St. Pete–Clearwater International Airport to Helena Regional Airport is 4 hours and 22 minutes.
What is the time difference between St Petersburg and Helena?
Flight carbon footprint between St. Pete–Clearwater International Airport (PIE) and Helena Regional Airport (HLN)
On average, flying from St Petersburg to Helena generates about 223 kg of CO2 per passenger, and 223 kilograms equals 491 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from St Petersburg to Helena
See the map of the shortest flight path between St. Pete–Clearwater International Airport (PIE) and Helena Regional Airport (HLN).
Airport information
| Origin | St. Pete–Clearwater International Airport |
|---|---|
| City: | St Petersburg, FL |
| Country: | United States  |
| IATA Code: | PIE |
| ICAO Code: | KPIE |
| Coordinates: | 27°54′36″N, 82°41′14″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 |