How far is Grayling from Chicago?
There are several ways to calculate distances between Chicago and Grayling. Here are two common methods:Vincenty's formula (applied above)
- 3161.834 miles
- 5088.479 kilometers
- 2747.559 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
- 3153.485 miles
- 5075.043 kilometers
- 2740.304 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 Chicago O'Hare International Airport (ORD) to Grayling Airport (KGX) is 6 hours 29 minutes.
Time difference and current local times
The time difference between Chicago and Grayling is 3 hours. Grayling is 3 hours behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 359 kg (791 pounds).
Chicago to Grayling flight path
Shortest flight path between Chicago O'Hare International Airport (ORD) and Grayling Airport (KGX).
Frequent Flyer Miles Calculator
Chicago (ORD) → Grayling (KGX).