# Distance between Rock Springs, WY (RKS) and Quincy, IL (UIN)

Flight distance from Rock Springs to Quincy (Southwest Wyoming Regional Airport – Quincy Regional Airport) is 943 miles / 1517 kilometers / 819 nautical miles. Estimated flight time is 2 hours 17 minutes.

Driving distance from Rock Springs (RKS) to Quincy (UIN) is 1052 miles / 1693 kilometers and travel time by car is about 17 hours 22 minutes.

## Map of flight path and driving directions from Rock Springs to Quincy.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Quincy Regional Airport (UIN).

## How far is Quincy from Rock Springs?

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

Vincenty's formula (applied above)
• 942.691 miles
• 1517.114 kilometers
• 819.176 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
• 940.346 miles
• 1513.340 kilometers
• 817.138 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 Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″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

The time difference between Rock Springs and Quincy is 1 hour. Quincy is 1 hour ahead of Rock Springs.

MDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 147 kg (324 pounds).

## Frequent Flyer Miles Calculator

Rock Springs (RKS) → Quincy (UIN).

Distance:
943
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
943

Round trip?