Air Miles Calculator logo

How far is Peoria, IL, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Peoria (General Wayne A. Downing Peoria International Airport) is 1186 miles / 1908 kilometers / 1030 nautical miles.

The driving distance from Helena (HLN) to Peoria (PIA) is 1422 miles / 2289 kilometers, and travel time by car is about 25 hours 42 minutes.

Helena Regional Airport – General Wayne A. Downing Peoria International Airport

Distance arrow
1186
Miles
Distance arrow
1908
Kilometers
Distance arrow
1030
Nautical miles

Search flights

Distance from Helena to Peoria

There are several ways to calculate the distance from Helena to Peoria. Here are two standard methods:

Vincenty's formula (applied above)
  • 1185.635 miles
  • 1908.094 kilometers
  • 1030.288 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
  • 1182.924 miles
  • 1903.732 kilometers
  • 1027.933 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 Peoria?

The estimated flight time from Helena Regional Airport to General Wayne A. Downing Peoria International Airport is 2 hours and 44 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and General Wayne A. Downing Peoria International Airport (PIA)

On average, flying from Helena to Peoria generates about 161 kg of CO2 per passenger, and 161 kilograms equals 355 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 Peoria

See the map of the shortest flight path between Helena Regional Airport (HLN) and General Wayne A. Downing Peoria International Airport (PIA).

Airport information

Origin 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
Destination General Wayne A. Downing Peoria International Airport
City: Peoria, IL
Country: United States Flag of United States
IATA Code: PIA
ICAO Code: KPIA
Coordinates: 40°39′51″N, 89°41′35″W