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How far is Block Island, RI, from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Block Island (Block Island State Airport) is 347 miles / 559 kilometers / 302 nautical miles.

The driving distance from Washington D.C. (IAD) to Block Island (BID) is 428 miles / 688 kilometers, and travel time by car is about 9 hours 32 minutes.

Washington Dulles International Airport – Block Island State Airport

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347
Miles
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559
Kilometers
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302
Nautical miles

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Distance from Washington D.C. to Block Island

There are several ways to calculate the distance from Washington D.C. to Block Island. Here are two standard methods:

Vincenty's formula (applied above)
  • 347.248 miles
  • 558.842 kilometers
  • 301.751 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
  • 346.647 miles
  • 557.874 kilometers
  • 301.228 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 Block Island?

The estimated flight time from Washington Dulles International Airport to Block Island State Airport is 1 hour and 9 minutes.

What is the time difference between Washington D.C. and Block Island?

There is no time difference between Washington D.C. and Block Island.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Block Island State Airport (BID)

On average, flying from Washington D.C. to Block Island generates about 76 kg of CO2 per passenger, and 76 kilograms equals 168 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 Block Island

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Block Island State Airport (BID).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W
Destination Block Island State Airport
City: Block Island, RI
Country: United States Flag of United States
IATA Code: BID
ICAO Code: KBID
Coordinates: 41°10′5″N, 71°34′40″W