Map of flight path from Chicago to Ostend.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Ostend–Bruges International Airport (OST).
How far is Ostend from Chicago?
There are several ways to calculate distances between Chicago and Ostend. Here are two common methods:Vincenty's formula (applied above)
- 4087.958 miles
- 6578.930 kilometers
- 3552.338 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
- 4076.601 miles
- 6560.654 kilometers
- 3542.470 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 Ostend is 7 hours. Ostend is 7 hours ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 467 kg (1 030 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Ostend (OST).