Air Miles Calculator

Distance between St Louis, MO (STL) and Dubuque, IA (DBQ)

Flight distance from St Louis to Dubuque (St. Louis Lambert International Airport – Dubuque Regional Airport) is 253 miles / 407 kilometers / 220 nautical miles. Estimated flight time is 58 minutes.

Driving distance from St Louis (STL) to Dubuque (DBQ) is 337 miles / 542 kilometers and travel time by car is about 5 hours 58 minutes.

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

Shortest flight path between St. Louis Lambert International Airport (STL) and Dubuque Regional Airport (DBQ).

How far is Dubuque from St Louis?

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

Vincenty's formula (applied above)
  • 252.712 miles
  • 406.700 kilometers
  • 219.600 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
  • 253.046 miles
  • 407.239 kilometers
  • 219.891 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 Dubuque Regional Airport
City: Dubuque, IA
Country: United States Flag of United States
IATA Code: DBQ
ICAO Code: KDBQ
Coordinates: 42°24′7″N, 90°42′34″W

Time difference and current local times

There is no time difference between St Louis and Dubuque.

Time Difference

St Louis, MO

 CST

Dubuque, IA

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 62 kg (137 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Dubuque (DBQ).

Distance:
253
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
253

Round trip?