Air Miles Calculator

Distance between Houston, TX (IAH) and Spokane, WA (GEG)

Distance from Houston to Spokane (Spokane International Airport – George Bush Intercontinental Airport) is 1695 miles / 2728 kilometers / 1473 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 1695.338 miles
  • 2728.382 kilometers
  • 1473.208 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
  • 1694.781 miles
  • 2727.486 kilometers
  • 1472.724 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from George Bush Intercontinental Airport (IAH) to Spokane International Airport (GEG) is 3 hours 42 minutes.

Time difference and current local times

The time difference between Houston and Spokane is 2 hours. Spokane is 2 hours behind Houston.

Time Difference

Houston
Spokane

Houston, TX

 CST

Spokane, WA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 200 kg (442 pounds).

Airport information


A George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

B 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

Map

Houston to Spokane flight map.

Frequent Flyer Miles Calculator

Houston (IAH) → Spokane (GEG).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1695
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1695

Round trip?