Air Miles Calculator

Distance between Memphis, TN (MEM) and Dubuque, IA (DBQ)

Flight distance from Memphis to Dubuque (Memphis International Airport – Dubuque Regional Airport) is 509 miles / 819 kilometers / 442 nautical miles. Estimated flight time is 1 hour 27 minutes.

Driving distance from Memphis (MEM) to Dubuque (DBQ) is 620 miles / 997 kilometers and travel time by car is about 10 hours 46 minutes.

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

Shortest flight path between Memphis International Airport (MEM) and Dubuque Regional Airport (DBQ).

How far is Dubuque from Memphis?

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

Vincenty's formula (applied above)
  • 509.192 miles
  • 819.465 kilometers
  • 442.476 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
  • 510.026 miles
  • 820.807 kilometers
  • 443.200 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 Memphis International Airport
City: Memphis, TN
Country: United States Flag of United States
IATA Code: MEM
ICAO Code: KMEM
Coordinates: 35°2′32″N, 89°58′36″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 Memphis and Dubuque.

Time Difference

Memphis, TN

 CST

Dubuque, IA

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 100 kg (220 pounds).

Frequent Flyer Miles Calculator

Memphis (MEM) → Dubuque (DBQ).

Distance:
509
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
509

Round trip?