Air Miles Calculator

Distance between Spokane, WA (GEG) and Quincy, IL (UIN)

Flight distance from Spokane to Quincy (Spokane International Airport – Quincy Regional Airport) is 1411 miles / 2272 kilometers / 1227 nautical miles. Estimated flight time is 3 hours 10 minutes.

Driving distance from Spokane (GEG) to Quincy (UIN) is 1772 miles / 2851 kilometers and travel time by car is about 28 hours 41 minutes.

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

Shortest flight path between Spokane International Airport (GEG) and Quincy Regional Airport (UIN).

How far is Quincy from Spokane?

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

Vincenty's formula (applied above)
  • 1411.471 miles
  • 2271.542 kilometers
  • 1226.534 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
  • 1408.336 miles
  • 2266.497 kilometers
  • 1223.811 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 Quincy Regional Airport
City: Quincy, IL
Country: United States Flag of United States
IATA Code: UIN
ICAO Code: KUIN
Coordinates: 39°56′33″N, 91°11′40″W

Time difference and current local times

The time difference between Spokane and Quincy is 2 hours. Quincy is 2 hours ahead of Spokane.

Time Difference

Spokane, WA

 PST

Quincy, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 174 kg (383 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Quincy (UIN).

Distance:
1411
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1411

Round trip?