Air Miles Calculator

Distance between Chicago, IL (ORD) and Ottawa (YOW)

Flight distance from Chicago to Ottawa (Chicago O'Hare International Airport – Ottawa Macdonald–Cartier International Airport) is 655 miles / 1053 kilometers / 569 nautical miles. Estimated flight time is 1 hour 44 minutes.

Driving distance from Chicago (ORD) to Ottawa (YOW) is 800 miles / 1288 kilometers and travel time by car is about 14 hours 43 minutes.

Map of flight path and driving directions from Chicago to Ottawa.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Ottawa Macdonald–Cartier International Airport (YOW).

How far is Ottawa from Chicago?

There are several ways to calculate distances between Chicago and Ottawa. Here are two common methods:

Vincenty's formula (applied above)
  • 654.544 miles
  • 1053.386 kilometers
  • 568.783 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
  • 653.056 miles
  • 1050.992 kilometers
  • 567.490 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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Ottawa Macdonald–Cartier International Airport
City: Ottawa
Country: Canada Flag of Canada
IATA Code: YOW
ICAO Code: CYOW
Coordinates: 45°19′20″N, 75°40′9″W

Time difference and current local times

The time difference between Chicago and Ottawa is 1 hour. Ottawa is 1 hour ahead of Chicago.

Time Difference

Chicago, IL

 CST

Ottawa

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 119 kg (263 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Ottawa (YOW).

Distance:
655
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
655

Round trip?