Nonstop flight route between Washington, D.C. / Virginia, United States and Sioux City, Iowa, United States:
Departure Airport:
Arrival Airport:
Distance from IAD to SUX:
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- About this route
 - IAD Airport Information
 - SUX Airport Information
 - Facts about IAD
 - Facts about SUX
 - Map of Nearest Airports to IAD
 - List of Nearest Airports to IAD
 - Map of Furthest Airports from IAD
 - List of Furthest Airports from IAD
 - Map of Nearest Airports to SUX
 - List of Nearest Airports to SUX
 - Map of Furthest Airports from SUX
 - List of Furthest Airports from SUX
 
About this route:
A direct, nonstop flight between Washington Dulles International Airport (IAD), Washington, D.C. / Virginia, United States and Sioux Gateway Airport (SUX), Sioux City, Iowa, United States would travel a Great Circle distance of 1,018 miles (or 1,638 kilometers).
A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the relatively short distance between Washington Dulles International Airport and Sioux Gateway Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | IAD / KIAD | 
| Airport Name: | Washington Dulles International Airport | 
| Location: | Washington, D.C. / Virginia, United States | 
| GPS Coordinates: | 38°56'39"N by 77°27'20"W | 
| Area Served: | Washington metropolitan area | 
| Airport Type: | Public | 
| Elevation: | 313 feet (95 meters) | 
| # of Runways: | 5 | 
| View all routes: | Routes from IAD | 
| More Information: | IAD Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | SUX / KSUX | 
| Airport Names: | 
                    
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| Location: | Sioux City, Iowa, United States | 
| GPS Coordinates: | 42°24'9"N by 96°23'3"W | 
| Area Served: | Sioux City, Iowa | 
| Operator/Owner: | Sioux Gateway Airport Authority | 
| Airport Type: | Public | 
| Elevation: | 1098 feet (335 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from SUX | 
| More Information: | SUX Maps & Info | 
Facts about Washington Dulles International Airport (IAD):
- The Metropolitan Washington Airports Authority has begun to gradually phase out the mobile lounge system for inter-terminal passenger movements in favor of the AeroTrain, an underground people mover which currently operates to Concourses A, B and C, and a pedestrian walkway system.
 - The furthest airport from Washington Dulles International Airport (IAD) is Margaret River Airport (MGV), which is located 11,659 miles (18,763 kilometers) away in Margaret River, Western Australia, Australia.
 - Washington Dulles International Airport (IAD) has 5 runways.
 - By the 1980s, the original design, which had mobile lounges meet each plane, was no longer well-suited to Dulles' role as a hub airport.
 - Because of Washington Dulles International Airport's relatively low elevation of 313 feet, planes can take off or land at Washington Dulles International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
 - Fairfax Connector service to Dulles is through via route 981.
 - The closest airport to Washington Dulles International Airport (IAD) is Leesburg Executive Airport (JYO), which is located only 11 miles (17 kilometers) NNW of IAD.
 
Facts about Sioux Gateway Airport (SUX):
- In addition to being known as "Sioux Gateway Airport", another name for SUX is "Colonel Bud Day Field".
 - The construction of Sioux City Army Air Base began in March 1942, about three months after the Japanese attack on Pearl Harbor.
 - The airport designator "SUX" has been contentious.
 - Sioux Gateway Airport (SUX) has 2 runways.
 - The furthest airport from Sioux Gateway Airport (SUX) is Margaret River Airport (MGV), which is located 10,641 miles (17,125 kilometers) away in Margaret River, Western Australia, Australia.
 - The closest airport to Sioux Gateway Airport (SUX) is Le Mars Municipal Airport (LRJ), which is located 28 miles (45 kilometers) NNE of SUX.
 - Sioux Gateway Airport covers 2,460 acres at an elevation of 1,098 feet above mean sea level.
 
