Air Miles Calculator

Distance between Sioux City, IA (SUX) and Washington D.C. (IAD)

Flight distance from Sioux City to Washington D.C. (Sioux Gateway Airport – Washington Dulles International Airport) is 1020 miles / 1642 kilometers / 887 nautical miles. Estimated flight time is 2 hours 25 minutes.

Driving distance from Sioux City (SUX) to Washington D.C. (IAD) is 1200 miles / 1932 kilometers and travel time by car is about 20 hours 58 minutes.

Map of flight path and driving directions from Sioux City to Washington D.C..

Shortest flight path between Sioux Gateway Airport (SUX) and Washington Dulles International Airport (IAD).

How far is Washington D.C. from Sioux City?

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

Vincenty's formula (applied above)
  • 1020.313 miles
  • 1642.034 kilometers
  • 886.628 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
  • 1017.939 miles
  • 1638.214 kilometers
  • 884.565 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 Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

Time difference and current local times

The time difference between Sioux City and Washington D.C. is 1 hour. Washington D.C. is 1 hour ahead of Sioux City.

Time Difference

Sioux City, IA

 CST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 152 kg (335 pounds).

Frequent Flyer Miles Calculator

Sioux City (SUX) → Washington D.C. (IAD).

Distance:
1020
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1020

Round trip?