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How far is Portsmouth, NH, from Block Island, RI?

The distance between Block Island (Block Island State Airport) and Portsmouth (Portsmouth International Airport at Pease) is 137 miles / 221 kilometers / 119 nautical miles.

The driving distance from Block Island (BID) to Portsmouth (PSM) is 162 miles / 261 kilometers, and travel time by car is about 4 hours 18 minutes.

Block Island State Airport – Portsmouth International Airport at Pease

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137
Miles
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221
Kilometers
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119
Nautical miles

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Distance from Block Island to Portsmouth

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

Vincenty's formula (applied above)
  • 137.394 miles
  • 221.114 kilometers
  • 119.392 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
  • 137.501 miles
  • 221.287 kilometers
  • 119.485 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 Portsmouth?

The estimated flight time from Block Island State Airport to Portsmouth International Airport at Pease is 45 minutes.

What is the time difference between Block Island and Portsmouth?

There is no time difference between Block Island and Portsmouth.

Flight carbon footprint between Block Island State Airport (BID) and Portsmouth International Airport at Pease (PSM)

On average, flying from Block Island to Portsmouth generates about 45 kg of CO2 per passenger, and 45 kilograms equals 100 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 Portsmouth

See the map of the shortest flight path between Block Island State Airport (BID) and Portsmouth International Airport at Pease (PSM).

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 Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″W