Air Miles Calculator

Distance between South Bend, IN (SBN) and Dubuque, IA (DBQ)

Flight distance from South Bend to Dubuque (South Bend International Airport – Dubuque Regional Airport) is 231 miles / 372 kilometers / 201 nautical miles. Estimated flight time is 56 minutes.

Driving distance from South Bend (SBN) to Dubuque (DBQ) is 301 miles / 484 kilometers and travel time by car is about 5 hours 26 minutes.

Map of flight path and driving directions from South Bend to Dubuque.

Shortest flight path between South Bend International Airport (SBN) and Dubuque Regional Airport (DBQ).

How far is Dubuque from South Bend?

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

Vincenty's formula (applied above)
  • 230.902 miles
  • 371.601 kilometers
  • 200.649 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
  • 230.334 miles
  • 370.687 kilometers
  • 200.155 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 South Bend International Airport
City: South Bend, IN
Country: United States Flag of United States
IATA Code: SBN
ICAO Code: KSBN
Coordinates: 41°42′31″N, 86°19′2″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 South Bend and Dubuque is 1 hour. Dubuque is 1 hour behind South Bend.

Time Difference

South Bend, IN

 EDT

Dubuque, IA

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 59 kg (130 pounds).

Frequent Flyer Miles Calculator

South Bend (SBN) → Dubuque (DBQ).

Distance:
231
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
231

Round trip?