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How far is Block Island, RI, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Block Island (Block Island State Airport) is 914 miles / 1470 kilometers / 794 nautical miles.

The driving distance from Decatur (DEC) to Block Island (BID) is 1079 miles / 1737 kilometers, and travel time by car is about 21 hours 20 minutes.

Decatur Airport – Block Island State Airport

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914
Miles
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1470
Kilometers
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794
Nautical miles

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Distance from Decatur to Block Island

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

Vincenty's formula (applied above)
  • 913.689 miles
  • 1470.441 kilometers
  • 793.974 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
  • 911.415 miles
  • 1466.780 kilometers
  • 791.998 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 Decatur to Block Island?

The estimated flight time from Decatur Airport to Block Island State Airport is 2 hours and 13 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Block Island State Airport (BID)

On average, flying from Decatur to Block Island generates about 145 kg of CO2 per passenger, and 145 kilograms equals 319 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Decatur to Block Island

See the map of the shortest flight path between Decatur Airport (DEC) and Block Island State Airport (BID).

Airport information

Origin Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″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