Air Miles Calculator logo

How far is Block Island, RI, from Portland, ME?

The distance between Portland (Portland International Jetport) and Block Island (Block Island State Airport) is 183 miles / 294 kilometers / 159 nautical miles.

The driving distance from Portland (PWM) to Block Island (BID) is 206 miles / 331 kilometers, and travel time by car is about 5 hours 0 minutes.

Portland International Jetport – Block Island State Airport

Distance arrow
183
Miles
Distance arrow
294
Kilometers
Distance arrow
159
Nautical miles

Search flights

Distance from Portland to Block Island

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

Vincenty's formula (applied above)
  • 182.932 miles
  • 294.401 kilometers
  • 158.964 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
  • 183.035 miles
  • 294.567 kilometers
  • 159.053 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 Portland to Block Island?

The estimated flight time from Portland International Jetport to Block Island State Airport is 50 minutes.

What is the time difference between Portland and Block Island?

There is no time difference between Portland and Block Island.

Flight carbon footprint between Portland International Jetport (PWM) and Block Island State Airport (BID)

On average, flying from Portland to Block Island generates about 52 kg of CO2 per passenger, and 52 kilograms equals 114 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portland to Block Island

See the map of the shortest flight path between Portland International Jetport (PWM) and Block Island State Airport (BID).

Airport information

Origin Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″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