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How far is Block Island, RI, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Block Island (Block Island State Airport) is 1997 miles / 3214 kilometers / 1735 nautical miles.

The driving distance from Great Falls (GTF) to Block Island (BID) is 2349 miles / 3780 kilometers, and travel time by car is about 44 hours 9 minutes.

Great Falls International Airport – Block Island State Airport

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1997
Miles
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3214
Kilometers
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1735
Nautical miles

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Distance from Great Falls to Block Island

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

Vincenty's formula (applied above)
  • 1996.844 miles
  • 3213.610 kilometers
  • 1735.210 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
  • 1991.686 miles
  • 3205.308 kilometers
  • 1730.728 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 Great Falls to Block Island?

The estimated flight time from Great Falls International Airport to Block Island State Airport is 4 hours and 16 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Block Island State Airport (BID)

On average, flying from Great Falls to Block Island generates about 217 kg of CO2 per passenger, and 217 kilograms equals 479 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Great Falls to Block Island

See the map of the shortest flight path between Great Falls International Airport (GTF) and Block Island State Airport (BID).

Airport information

Origin Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″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