How far is Block Island, RI, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Block Island (Block Island State Airport) is 137 miles / 221 kilometers / 119 nautical miles.
The driving distance from Portsmouth (PSM) to Block Island (BID) is 162 miles / 260 kilometers, and travel time by car is about 4 hours 17 minutes.
Portsmouth International Airport at Pease – Block Island State Airport
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Distance from Portsmouth to Block Island
There are several ways to calculate the distance from Portsmouth to Block Island. 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 Portsmouth to Block Island?
The estimated flight time from Portsmouth International Airport at Pease to Block Island State Airport is 45 minutes.
What is the time difference between Portsmouth and Block Island?
There is no time difference between Portsmouth and Block Island.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Block Island State Airport (BID)
On average, flying from Portsmouth to Block Island 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 Portsmouth to Block Island
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Block Island State Airport (BID).
Airport information
| Origin | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States  |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″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 |