How far is Oulu from Chicago, IL?
The distance between Chicago (Chicago O'Hare International Airport) and Oulu (Oulu Airport) is 4242 miles / 6827 kilometers / 3686 nautical miles.
Chicago O'Hare International Airport – Oulu Airport
Search flights
Distance from Chicago to Oulu
There are several ways to calculate the distance from Chicago to Oulu. Here are two standard methods:
Vincenty's formula (applied above)- 4241.971 miles
- 6826.790 kilometers
- 3686.172 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- 4229.880 miles
- 6807.332 kilometers
- 3675.665 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 Chicago to Oulu?
The estimated flight time from Chicago O'Hare International Airport to Oulu Airport is 8 hours and 31 minutes.
What is the time difference between Chicago and Oulu?
The time difference between Chicago and Oulu is 8 hours. Oulu is 8 hours ahead of Chicago.
Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Oulu Airport (OUL)
On average, flying from Chicago to Oulu generates about 487 kg of CO2 per passenger, and 487 kilograms equals 1 073 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Chicago to Oulu
See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Oulu Airport (OUL).
Airport information
| Origin | Chicago O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States  |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
| Destination | Oulu Airport |
|---|---|
| City: | Oulu |
| Country: | Finland  |
| IATA Code: | OUL |
| ICAO Code: | EFOU |
| Coordinates: | 64°55′48″N, 25°21′16″E |