# 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
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
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.

CST

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?