Nonstop flight route between Washington, D.C. / Virginia, United States and Tacoma, Washington, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from IAD to TIW:
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- About this route
- IAD Airport Information
- TIW Airport Information
- Facts about IAD
- Facts about TIW
- 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 TIW
- List of Nearest Airports to TIW
- Map of Furthest Airports from TIW
- List of Furthest Airports from TIW
About this route:
A direct, nonstop flight between Washington Dulles International Airport (IAD), Washington, D.C. / Virginia, United States and Tacoma Narrows Airport (TIW), Tacoma, Washington, United States would travel a Great Circle distance of 2,313 miles (or 3,723 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 Tacoma Narrows 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: | TIW / KTIW | 
| Airport Name: | Tacoma Narrows Airport | 
| Location: | Tacoma, Washington, United States | 
| GPS Coordinates: | 47°16'5"N by 122°34'41"W | 
| Area Served: | Tacoma, Washington | 
| Operator/Owner: | Pierce County Public Works & Utilities | 
| Airport Type: | Public | 
| Elevation: | 294 feet (90 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from TIW | 
| More Information: | TIW Maps & Info | 
Facts about Washington Dulles International Airport (IAD):
- Concourse A consists of a permanent ground level set of gates designed for small planes such as regional jets and several former B concourse gates.
- As of 2012, the only Washington Metropolitan Area Transit Authority service to Dulles is the "Express" 5A Metrobus route.
- 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.
- 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.
- 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.
- United Airlines maintains one of two East Coast hubs at Dulles which handled 56.7% of scheduled air carrier passengers at the airport.JetBlue handled 6.8% of scheduled air carrier passengers.
- Washington Dulles International Airport (IAD) has 5 runways.
- The civil engineering firm Ammann and Whitney was named lead contractor.
- The main terminal was recognized by the American Institute of Architects in 1966 for its design concept.
Facts about Tacoma Narrows Airport (TIW):
- Because of Tacoma Narrows Airport's relatively low elevation of 294 feet, planes can take off or land at Tacoma Narrows 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.
- The closest airport to Tacoma Narrows Airport (TIW) is McChord Field/McChord AFB (TCM), which is located only 10 miles (16 kilometers) SSE of TIW.
- Tacoma Narrows Airport (TIW) currently has only 1 runway.
- This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.
- The furthest airport from Tacoma Narrows Airport (TIW) is Tôlanaro Airport (FTU), which is located 10,797 miles (17,376 kilometers) away in Tôlanaro, Madagascar.




