How far is Blountville, TN, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Blountville (Blountville Tri-Cities Regional Airport) is 320 miles / 515 kilometers / 278 nautical miles.
The driving distance from Washington D.C. (IAD) to Blountville (TRI) is 378 miles / 609 kilometers, and travel time by car is about 7 hours 1 minutes.
Washington Dulles International Airport – Blountville Tri-Cities Regional Airport
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Distance from Washington D.C. to Blountville
There are several ways to calculate the distance from Washington D.C. to Blountville. 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 Washington D.C. to Blountville?
The estimated flight time from Washington Dulles International Airport to Blountville Tri-Cities Regional Airport is 1 hour and 6 minutes.
What is the time difference between Washington D.C. and Blountville?
There is no time difference between Washington D.C. and Blountville.
Flight carbon footprint between Washington Dulles International Airport (IAD) and Blountville Tri-Cities Regional Airport (TRI)
On average, flying from Washington D.C. to Blountville 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 Washington D.C. to Blountville
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Blountville Tri-Cities Regional Airport (TRI).
Airport information
| Origin | 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 |
| Destination | 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 |