Air Miles Calculator

Distance between Lafayette, LA (LFT) and Dubuque, IA (DBQ)

Flight distance from Lafayette to Dubuque (Lafayette Regional Airport – Dubuque Regional Airport) is 844 miles / 1358 kilometers / 733 nautical miles. Estimated flight time is 2 hours 5 minutes.

Driving distance from Lafayette (LFT) to Dubuque (DBQ) is 1046 miles / 1684 kilometers and travel time by car is about 18 hours 6 minutes.

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

Shortest flight path between Lafayette Regional Airport (LFT) and Dubuque Regional Airport (DBQ).

How far is Dubuque from Lafayette?

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

Vincenty's formula (applied above)
  • 843.965 miles
  • 1358.230 kilometers
  • 733.385 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
  • 845.682 miles
  • 1360.993 kilometers
  • 734.877 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 Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″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 Lafayette and Dubuque.

Time Difference

Lafayette, LA

 CST

Dubuque, IA

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 139 kg (306 pounds).

Frequent Flyer Miles Calculator

Lafayette (LFT) → Dubuque (DBQ).

Distance:
844
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
844

Round trip?