How far is Block Island, RI, from Alma?

The distance between Alma (Alma Airport) and Block Island (Block Island State Airport) is 507 miles / 816 kilometers / 440 nautical miles.

The driving distance from Alma (YTF) to Block Island (BID) is 626 miles / 1008 kilometers, and travel time by car is about 13 hours 33 minutes.

Distance from Alma to Block Island

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

Vincenty's formula (applied above)

• 506.908 miles
• 815.789 kilometers
• 440.491 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

• 507.211 miles
• 816.277 kilometers
• 440.754 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 Alma to Block Island?

The estimated flight time from Alma Airport to Block Island State Airport is 1 hour and 27 minutes.

What is the time difference between Alma and Block Island?

There is no time difference between Alma and Block Island.

Flight carbon footprint between Alma Airport (YTF) and Block Island State Airport (BID)

On average, flying from Alma to Block Island generates about 100 kg of CO2 per passenger, and 100 kilograms equals 220 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Alma Airport (YTF) and Block Island State Airport (BID).

Airport information

Origin	Alma Airport
City:	Alma
Country:	Canada
IATA Code:	YTF
ICAO Code:	CYTF
Coordinates:	48°30′32″N, 71°38′30″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