Air Miles Calculator

Distance between Sioux City, IA (SUX) and Quincy, IL (UIN)

Flight distance from Sioux City to Quincy (Sioux Gateway Airport – Quincy Regional Airport) is 319 miles / 514 kilometers / 278 nautical miles. Estimated flight time is 1 hour 6 minutes.

Driving distance from Sioux City (SUX) to Quincy (UIN) is 423 miles / 681 kilometers and travel time by car is about 7 hours 34 minutes.

Map of flight path and driving directions from Sioux City to Quincy.

Shortest flight path between Sioux Gateway Airport (SUX) and Quincy Regional Airport (UIN).

How far is Quincy from Sioux City?

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

Vincenty's formula (applied above)
  • 319.353 miles
  • 513.949 kilometers
  • 277.510 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
  • 318.877 miles
  • 513.183 kilometers
  • 277.097 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 Sioux Gateway Airport
City: Sioux City, IA
Country: United States Flag of United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″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

There is no time difference between Sioux City and Quincy.

Time Difference

Sioux City, IA

 CST

Quincy, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 72 kg (159 pounds).

Frequent Flyer Miles Calculator

Sioux City (SUX) → Quincy (UIN).

Distance:
319
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
319

Round trip?