Air Miles Calculator

Distance between St Louis, MO (STL) and Quincy, IL (UIN)

Flight distance from St Louis to Quincy (St. Louis Lambert International Airport – Quincy Regional Airport) is 93 miles / 150 kilometers / 81 nautical miles. Estimated flight time is 40 minutes.

Driving distance from St Louis (STL) to Quincy (UIN) is 130 miles / 209 kilometers and travel time by car is about 2 hours 30 minutes.

Map of flight path and driving directions from St Louis to Quincy.

Shortest flight path between St. Louis Lambert International Airport (STL) and Quincy Regional Airport (UIN).

How far is Quincy from St Louis?

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

Vincenty's formula (applied above)
  • 93.463 miles
  • 150.414 kilometers
  • 81.217 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
  • 93.525 miles
  • 150.514 kilometers
  • 81.271 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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″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 St Louis and Quincy.

Time Difference

St Louis, MO

 CST

Quincy, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 39 kg (85 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Quincy (UIN).

Distance:
93
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
93

Round trip?