How far is Westerly, RI, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Westerly (Westerly State Airport) is 342 miles / 551 kilometers / 297 nautical miles.
The driving distance from Washington D.C. (IAD) to Westerly (WST) is 388 miles / 624 kilometers, and travel time by car is about 8 hours 4 minutes.
Washington Dulles International Airport – Westerly State Airport
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Distance from Washington D.C. to Westerly
There are several ways to calculate the distance from Washington D.C. to Westerly. 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 Washington D.C. to Westerly?
The estimated flight time from Washington Dulles International Airport to Westerly State Airport is 1 hour and 8 minutes.
What is the time difference between Washington D.C. and Westerly?
There is no time difference between Washington D.C. and Westerly.
Flight carbon footprint between Washington Dulles International Airport (IAD) and Westerly State Airport (WST)
On average, flying from Washington D.C. to Westerly 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 Washington D.C. to Westerly
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Westerly State Airport (WST).
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 | Westerly State Airport |
|---|---|
| City: | Westerly, RI |
| Country: | United States |
| IATA Code: | WST |
| ICAO Code: | KWST |
| Coordinates: | 41°20′58″N, 71°48′12″W |