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).
Time difference and current local times
The time difference between South Bend and Dubuque is 1 hour. Dubuque is 1 hour behind South Bend.
South Bend, IN
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 59 kg (130 pounds).
Frequent Flyer Miles Calculator
South Bend (SBN) → Dubuque (DBQ).