How far is Washington D.C. from Westerly, RI?
The distance between Westerly (Westerly State Airport) and Washington D.C. (Washington Dulles International Airport) is 342 miles / 551 kilometers / 297 nautical miles.
The driving distance from Westerly (WST) to Washington D.C. (IAD) is 393 miles / 632 kilometers, and travel time by car is about 8 hours 6 minutes.
Westerly State Airport – Washington Dulles International Airport
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Distance from Westerly to Washington D.C.
There are several ways to calculate the distance from Westerly to Washington D.C.. Here are two standard methods:
Vincenty's formula (applied above)- 342.101 miles
- 550.558 kilometers
- 297.278 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- 341.560 miles
- 549.687 kilometers
- 296.807 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 Westerly to Washington D.C.?
The estimated flight time from Westerly State Airport to Washington Dulles International Airport is 1 hour and 8 minutes.
What is the time difference between Westerly and Washington D.C.?
There is no time difference between Westerly and Washington D.C..
Flight carbon footprint between Westerly State Airport (WST) and Washington Dulles International Airport (IAD)
On average, flying from Westerly to Washington D.C. generates about 75 kg of CO2 per passenger, and 75 kilograms equals 166 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Westerly to Washington D.C.
See the map of the shortest flight path between Westerly State Airport (WST) and Washington Dulles International Airport (IAD).
Airport information
| Origin | Westerly State Airport |
|---|---|
| City: | Westerly, RI |
| Country: | United States  |
| IATA Code: | WST |
| ICAO Code: | KWST |
| Coordinates: | 41°20′58″N, 71°48′12″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 |