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Distance between Spokane, WA (GEG) and Helena, MT (HLN)

Flight distance from Spokane to Helena (Spokane International Airport – Helena Regional Airport) is 271 miles / 436 kilometers / 235 nautical miles. Estimated flight time is 1 hour 0 minutes.

Driving distance from Spokane (GEG) to Helena (HLN) is 319 miles / 513 kilometers and travel time by car is about 5 hours 38 minutes.

Spokane – Helena

Distance arrow
271
Miles
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436
Kilometers
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235
Nautical miles

How far is Helena from Spokane?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 270.905 miles
  • 435.979 kilometers
  • 235.410 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 270.172 miles
  • 434.799 kilometers
  • 234.773 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).

Flight Duration

Estimated flight time from Spokane to Helena is 1 hour 0 minutes.

Time difference and current local times

The time difference between Spokane and Helena is 1 hour. Helena is 1 hour ahead of Spokane.

Spokane time to Helena time converter

Time in Spokane: 00:00 ⇆ Time in Helena: 00:00

Current local times

Spokane, WA

 PDT

Helena, MT

 MDT

Carbon dioxide emissions

On average flying from Spokane to Helena generates about 65 kg of CO2 per passenger, 65 kilograms is equal to 143 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Spokane to Helena

Shortest flight path between Spokane International Airport (GEG) and Helena Regional Airport (HLN).

Airport information

Origin Spokane International Airport
City: Spokane, WA
Country: United States Flag of United States
IATA Code: GEG
ICAO Code: KGEG
Coordinates: 47°37′11″N, 117°32′2″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