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How far is Quincy, IL, from Houston, TX?

The distance between Houston (Houston George Bush Intercontinental Airport) and Quincy (Quincy Regional Airport) is 725 miles / 1168 kilometers / 630 nautical miles.

The driving distance from Houston (IAH) to Quincy (UIN) is 894 miles / 1438 kilometers, and travel time by car is about 16 hours 44 minutes.

Houston George Bush Intercontinental Airport – Quincy Regional Airport

Distance arrow
725
Miles
Distance arrow
1168
Kilometers
Distance arrow
630
Nautical miles

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Distance from Houston to Quincy

There are several ways to calculate the distance from Houston to Quincy. Here are two standard 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 planet.

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 – the shortest distance between two points).

How long does it take to fly from Houston to Quincy?

The estimated flight time from Houston George Bush Intercontinental Airport to Quincy Regional Airport is 1 hour and 52 minutes.

What is the time difference between Houston and Quincy?

There is no time difference between Houston and Quincy.

Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Quincy Regional Airport (UIN)

On average, flying from Houston to Quincy generates about 127 kg of CO2 per passenger, and 127 kilograms equals 281 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Houston to Quincy

See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Quincy Regional Airport (UIN).

Airport information

Origin Houston 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
Destination 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