Air Miles Calculator

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 Flag of 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 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 Sioux City and Dubuque.

Time Difference

Sioux City, IA

 CDT

Dubuque, IA

 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?