How far is Block Island from Chicago?
There are several ways to calculate distances between Chicago and Block Island. Here are two common methods:Vincenty's formula (applied above)
- 846.683 miles
- 1362.604 kilometers
- 735.747 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 844.503 miles
- 1359.096 kilometers
- 733.853 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).
Estimated flight time from O'Hare International Airport (ORD) to Block Island State Airport (BID) is 2 hours 6 minutes.
Time difference and current local times
The time difference between Chicago and Block Island is 1 hour. Block Island is 1 hour ahead of Chicago.
Block Island, RI
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 139 kg (307 pounds).
Chicago to Block Island flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Block Island (BID).