# 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
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
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.

CST

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?