Air Miles Calculator

Distance between Spokane, WA (GEG) and Lewistown, MT (LWT)

Flight distance from Spokane to Lewistown (Spokane International Airport – Lewistown Municipal Airport) is 381 miles / 613 kilometers / 331 nautical miles. Estimated flight time is 1 hour 13 minutes.

Driving distance from Spokane (GEG) to Lewistown (LWT) is 510 miles / 821 kilometers and travel time by car is about 8 hours 35 minutes.

Map of flight path and driving directions from Spokane to Lewistown.

Shortest flight path between Spokane International Airport (GEG) and Lewistown Municipal Airport (LWT).

How far is Lewistown from Spokane?

There are several ways to calculate distances between Spokane and Lewistown. Here are two common methods:

Vincenty's formula (applied above)
  • 380.721 miles
  • 612.711 kilometers
  • 330.838 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
  • 379.619 miles
  • 610.938 kilometers
  • 329.880 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).

Airport information


A 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

B Lewistown Municipal Airport
City: Lewistown, MT
Country: United States Flag of United States
IATA Code: LWT
ICAO Code: KLWT
Coordinates: 47°2′57″N, 109°28′1″W

Time difference and current local times

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

Time Difference

Spokane, WA

 PST

Lewistown, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 81 kg (179 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Lewistown (LWT).

Distance:
381
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
381

Round trip?