# Distance between Sioux City, IA (SUX) and Dubuque, IA (DBQ)

Flight distance from Sioux City to Dubuque (Sioux Gateway Airport – Dubuque Regional Airport) is 290 miles / 467 kilometers / 252 nautical miles. Estimated flight time is 1 hour 2 minutes.

Driving distance from Sioux City (SUX) to Dubuque (DBQ) is 304 miles / 489 kilometers and travel time by car is about 5 hours 39 minutes.

## Map of flight path and driving directions from Sioux City to Dubuque.

Shortest flight path between Sioux Gateway Airport (SUX) and Dubuque Regional Airport (DBQ).

## How far is Dubuque from Sioux City?

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

Vincenty's formula (applied above)
• 290.248 miles
• 467.110 kilometers
• 252.219 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
• 289.482 miles
• 465.877 kilometers
• 251.553 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 Sioux Gateway Airport
City: Sioux City, IA
Country: United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″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

There is no time difference between Sioux City and Dubuque.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 68 kg (149 pounds).

## Frequent Flyer Miles Calculator

Sioux City (SUX) → Dubuque (DBQ).

Distance:
290
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
290

Round trip?