# 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
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
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.

EDT

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?