Nonstop flight route between Iringa, Tanzania and Washington, D.C. / Virginia, United States:
Departure Airport:
Arrival Airport:
Distance from IRI to IAD:
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- About this route
 - IRI Airport Information
 - IAD Airport Information
 - Facts about IRI
 - Facts about IAD
 - Map of Nearest Airports to IRI
 - List of Nearest Airports to IRI
 - Map of Furthest Airports from IRI
 - List of Furthest Airports from IRI
 - Map of Nearest Airports to IAD
 - List of Nearest Airports to IAD
 - Map of Furthest Airports from IAD
 - List of Furthest Airports from IAD
 
About this route:
A direct, nonstop flight between Iringa / Nduli Airport (IRI), Iringa, Tanzania and Washington Dulles International Airport (IAD), Washington, D.C. / Virginia, United States would travel a Great Circle distance of 7,794 miles (or 12,544 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 large distance between Iringa / Nduli Airport and Washington Dulles International Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Iringa / Nduli Airport and Washington Dulles International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | IRI / HTIR | 
| Airport Names: | 
                    
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| Location: | Iringa, Tanzania | 
| GPS Coordinates: | 7°40'9"S by 35°45'6"E | 
| Area Served: | Iringa | 
| Operator/Owner: | Government of Tanzania | 
| Airport Type: | Public | 
| Elevation: | 4678 feet (1,426 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from IRI | 
| More Information: | IRI Maps & Info | 
Arrival 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 | 
Facts about Iringa / Nduli Airport (IRI):
- In addition to being known as "Iringa / Nduli Airport", another name for IRI is "Uwanja wa Ndege wa Iringa / Nduli (Swahili)".
 - The furthest airport from Iringa / Nduli Airport (IRI) is Cassidy International Airport (CXI), which is located 11,453 miles (18,432 kilometers) away in Christmas Island, Kiribati.
 - The closest airport to Iringa / Nduli Airport (IRI) is Msalato International Airport– Proposed airport – (DOD), which is located 109 miles (175 kilometers) N of IRI.
 - Because of Iringa / Nduli Airport's high elevation of 4,678 feet, planes must typically fly at a faster airspeed in order to takeoff or land at IRI. Combined with a high temperature, this could make IRI a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
 - Iringa / Nduli Airport (IRI) currently has only 1 runway.
 
Facts about Washington Dulles International Airport (IAD):
- Washington Dulles International Airport (IAD) has 5 runways.
 - Dulles is accessible via the Dulles Access Road/Dulles Greenway and State Route 28.
 - Under the development plan, future phases would see the addition of several new midfield concourses and a new south terminal.
 - 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.
 - 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.
 - 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.
 - In September 2009, a 121,700 square feet central Transportation Security Administration checkpoint was added on a new security mezzanine level of the main terminal.
 - 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.
 
