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

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

The driving distance from Block Island (BID) to Decatur (DEC) is 1082 miles / 1742 kilometers, and travel time by car is about 21 hours 25 minutes.

Block Island State Airport – Decatur 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 Block Island to Decatur

There are several ways to calculate the distance from Block Island to Decatur. 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 Block Island to Decatur?

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

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

On average, flying from Block Island to Decatur 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 Block Island to Decatur

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

Airport information

Origin 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
Destination 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