How far is Washington D.C. from Blountville, TN?
The distance between Blountville (Blountville Tri-Cities Regional Airport) and Washington D.C. (Washington Dulles International Airport) is 320 miles / 515 kilometers / 278 nautical miles.
The driving distance from Blountville (TRI) to Washington D.C. (IAD) is 379 miles / 610 kilometers, and travel time by car is about 7 hours 3 minutes.
Blountville Tri-Cities Regional Airport – Washington Dulles International Airport
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Distance from Blountville to Washington D.C.
There are several ways to calculate the distance from Blountville to Washington D.C.. Here are two standard methods:
Vincenty's formula (applied above)- 320.247 miles
- 515.387 kilometers
- 278.287 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 319.870 miles
- 514.780 kilometers
- 277.959 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Blountville to Washington D.C.?
The estimated flight time from Blountville Tri-Cities Regional Airport to Washington Dulles International Airport is 1 hour and 6 minutes.
What is the time difference between Blountville and Washington D.C.?
There is no time difference between Blountville and Washington D.C..
Flight carbon footprint between Blountville Tri-Cities Regional Airport (TRI) and Washington Dulles International Airport (IAD)
On average, flying from Blountville to Washington D.C. generates about 72 kg of CO2 per passenger, and 72 kilograms equals 159 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Blountville to Washington D.C.
See the map of the shortest flight path between Blountville Tri-Cities Regional Airport (TRI) and Washington Dulles International Airport (IAD).
Airport information
| Origin | Blountville Tri-Cities Regional Airport |
|---|---|
| City: | Blountville, TN |
| Country: | United States  |
| IATA Code: | TRI |
| ICAO Code: | KTRI |
| Coordinates: | 36°28′30″N, 82°24′26″W |
| Destination | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |