Air Miles Calculator logo

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

Distance arrow
2046
Miles
Distance arrow
3292
Kilometers
Distance arrow
1778
Nautical miles

Search flights

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.

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 Flag of 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 Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W