Map of flight path and driving directions from Chicago to Sarnia.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Sarnia Chris Hadfield Airport (YZR).
How far is Sarnia from Chicago?
There are several ways to calculate distances between Chicago and Sarnia. Here are two common methods:Vincenty's formula (applied above)
- 294.359 miles
- 473.725 kilometers
- 255.791 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
- 293.642 miles
- 472.572 kilometers
- 255.168 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).
Time difference and current local times
The time difference between Chicago and Sarnia is 1 hour. Sarnia is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 68 kg (151 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Sarnia (YZR).