How far is Block Island, RI, from Unalaska, AK?
The distance between Unalaska (Unalaska Airport) and Block Island (Block Island State Airport) is 4187 miles / 6738 kilometers / 3638 nautical miles.
Unalaska Airport – Block Island State Airport
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Distance from Unalaska to Block Island
There are several ways to calculate the distance from Unalaska to Block Island. Here are two standard methods:
Vincenty's formula (applied above)- 4186.916 miles
- 6738.189 kilometers
- 3638.331 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- 4175.343 miles
- 6719.563 kilometers
- 3628.274 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 Unalaska to Block Island?
The estimated flight time from Unalaska Airport to Block Island State Airport is 8 hours and 25 minutes.
What is the time difference between Unalaska and Block Island?
Flight carbon footprint between Unalaska Airport (DUT) and Block Island State Airport (BID)
On average, flying from Unalaska to Block Island generates about 480 kg of CO2 per passenger, and 480 kilograms equals 1 058 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Unalaska to Block Island
See the map of the shortest flight path between Unalaska Airport (DUT) and Block Island State Airport (BID).
Airport information
| Origin | Unalaska Airport |
|---|---|
| City: | Unalaska, AK |
| Country: | United States  |
| IATA Code: | DUT |
| ICAO Code: | PADU |
| Coordinates: | 53°54′0″N, 166°32′38″W |
| Destination | Block Island State Airport |
|---|---|
| City: | Block Island, RI |
| Country: | United States |
| IATA Code: | BID |
| ICAO Code: | KBID |
| Coordinates: | 41°10′5″N, 71°34′40″W |