Air Miles Calculator

Distance between Louisville, KY (SDF) and Dubuque, IA (DBQ)

Flight distance from Louisville to Dubuque (Louisville International Airport – Dubuque Regional Airport) is 392 miles / 632 kilometers / 341 nautical miles. Estimated flight time is 1 hour 14 minutes.

Driving distance from Louisville (SDF) to Dubuque (DBQ) is 487 miles / 783 kilometers and travel time by car is about 8 hours 31 minutes.

Map of flight path and driving directions from Louisville to Dubuque.

Shortest flight path between Louisville International Airport (SDF) and Dubuque Regional Airport (DBQ).

How far is Dubuque from Louisville?

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

Vincenty's formula (applied above)
  • 392.460 miles
  • 631.603 kilometers
  • 341.038 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
  • 392.321 miles
  • 631.379 kilometers
  • 340.918 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 Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″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

The time difference between Louisville and Dubuque is 1 hour. Dubuque is 1 hour behind Louisville.

Time Difference

Louisville, KY

 EDT

Dubuque, IA

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 83 kg (183 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Dubuque (DBQ).

Distance:
392
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
392

Round trip?