Airport Comparison
| IAD | TRI | |
|---|---|---|
| Airport Name | Washington Dulles International Airport | Tri-Cities Airport |
| IATA Code | IAD | TRI |
| ICAO Code | KIAD | KTRI |
| City | Washington | Bristol/Johnson/Kingsport |
| Country | United States | United States |
| Timezone | America/New_York | America/New_York |
| Elevation | 312 ft | 1,519 ft |
| Coordinates | 38.900000, -77.500000 | 36.480000, -82.410000 |
Washington (IAD) to Bristol/Johnson/Kingsport (TRI) Flight Distance
The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Tri-Cities Airport (TRI) in Bristol/Johnson/Kingsport, United States is 509 kilometers (316 miles / 275 nautical miles). The estimated flight time for this route is approximately 2h, flying west southwest at a heading of 240°.
This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.
This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation.
Time zone information: When it's 10:55 in Washington, it's 10:55 in Bristol/Johnson/Kingsport.
There is a significant elevation difference of 1,206 feet between the two airports. Tri-Cities Airport sits higher than Washington Dulles International Airport.
The return flight from Bristol/Johnson/Kingsport (TRI) to Washington (IAD) follows a heading of 57° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the Washington Dulles International Airport (IAD) and Tri-Cities Airport (TRI) detail pages, or use our flight duration calculator to compare other routes.