Nonstop flight route between Washington, D.C. / Virginia, United States and Hermiston, Oregon, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from IAD to HES:
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- About this route
- IAD Airport Information
- HES Airport Information
- Facts about IAD
- Facts about HES
- 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 HES
- List of Nearest Airports to HES
- Map of Furthest Airports from HES
- List of Furthest Airports from HES
About this route:
A direct, nonstop flight between Washington Dulles International Airport (IAD), Washington, D.C. / Virginia, United States and Hermiston Municipal Airport (HES), Hermiston, Oregon, United States would travel a Great Circle distance of 2,160 miles (or 3,476 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 Hermiston Municipal 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: | HES / KHRI | 
| Airport Names: | 
 | 
| Location: | Hermiston, Oregon, United States | 
| GPS Coordinates: | 45°49'41"N by 119°15'33"W | 
| Area Served: | Hermiston, Oregon | 
| Operator/Owner: | City of Hermiston | 
| Airport Type: | Public | 
| Elevation: | 644 feet (196 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from HES | 
| More Information: | HES Maps & Info | 
Facts about Washington Dulles International Airport (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.
- Washington Dulles International Airport (IAD) has 5 runways.
- 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.
- Dulles is accessible via the Dulles Access Road/Dulles Greenway and State Route 28.
- A new train system, dubbed AeroTrain and developed by Mitsubishi, began in 2010 to transport passengers between the concourses and the main terminal.
- The main terminal was recognized by the American Institute of Architects in 1966 for its design concept.
Facts about Hermiston Municipal Airport (HES):
- Hermiston Municipal Airport (HES) currently has only 1 runway.
- Hermiston Municipal Airport is a city-owned, public-use airport located two nautical miles southeast of the central business district of Hermiston, in Umatilla County, Oregon, United States.
- The closest airport to Hermiston Municipal Airport (HES) is Eastern Oregon Regional Airport (PDT), which is located 22 miles (36 kilometers) ESE of HES.
- Because of Hermiston Municipal Airport's relatively low elevation of 644 feet, planes can take off or land at Hermiston Municipal 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.
- In addition to being known as "Hermiston Municipal Airport", another name for HES is "HRI".
- The furthest airport from Hermiston Municipal Airport (HES) is Tôlanaro Airport (FTU), which is located 10,810 miles (17,396 kilometers) away in Tôlanaro, Madagascar.




