Air Miles Calculator

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

Flight distance from Spokane to Billings (Spokane International Airport – Billings Logan International Airport) is 445 miles / 716 kilometers / 387 nautical miles. Estimated flight time is 1 hour 20 minutes.

Driving distance from Spokane (GEG) to Billings (BIL) is 547 miles / 881 kilometers and travel time by car is about 8 hours 45 minutes.

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

Shortest flight path between Spokane International Airport (GEG) and Billings Logan International Airport (BIL).

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).

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

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, WA

 PST

Billings, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 90 kg (200 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Billings (BIL).

Distance:
445
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
445

Round trip?