Air Miles Calculator

Distance between Houston, TX (IAH) and Quincy, IL (UIN)

Distance from Houston to Quincy (Quincy Regional Airport – George Bush Intercontinental Airport) is 725 miles / 1168 kilometers / 630 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 725.452 miles
  • 1167.502 kilometers
  • 630.401 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
  • 726.773 miles
  • 1169.628 kilometers
  • 631.549 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 Quincy Regional Airport (UIN) is 1 hour 52 minutes.

Time difference and current local times

There is no time difference between Houston and Quincy.

Time Difference

Houston
Quincy

Houston, TX

 CST

Quincy, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 115 kg (253 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 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

Map

Houston to Quincy flight map.

Frequent Flyer Miles Calculator

Houston (IAH) → Quincy (UIN).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
725
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
725

Round trip?