Air Miles Calculator

Distance between Spokane, WA (GEG) and Billings, MT (BIL)

Distance from Spokane to Billings (Spokane International Airport – Billings Logan International Airport) is 445 miles / 716 kilometers / 387 nautical miles.

How far is Billings from Spokane?

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

Vincenty's formula (applied above)
  • 444.834 miles
  • 715.891 kilometers
  • 386.550 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
  • 443.660 miles
  • 714.002 kilometers
  • 385.530 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 International Airport (GEG) to Billings Logan International Airport (BIL) is 1 hour 20 minutes.

Time difference and current local times

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

Time Difference

Spokane
Billings

Spokane, WA

 PST

Billings, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 91 kg (200 pounds).

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 Billings Logan International Airport
City: Billings, MT
Country: United States Flag of United States
IATA Code: BIL
ICAO Code: KBIL
Coordinates: 45°48′27″N, 108°32′34″W

Map

Spokane to Billings flight map.

Frequent Flyer Miles Calculator

Spokane (GEG) → Billings (BIL).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
445
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
445

Round trip?