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).
Time difference and current local times
There is no time difference between Sioux City and Dubuque.
Sioux City, IA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 68 kg (149 pounds).
Frequent Flyer Miles Calculator
Sioux City (SUX) → Dubuque (DBQ).