Air Miles Calculator

Distance between Chicago, IL (ORD) and Saint John (YSJ)

Flight distance from Chicago to Saint John (Chicago O'Hare International Airport – Saint John Airport) is 1124 miles / 1808 kilometers / 976 nautical miles. Estimated flight time is 2 hours 37 minutes.

Driving distance from Chicago (ORD) to Saint John (YSJ) is 1419 miles / 2283 kilometers and travel time by car is about 25 hours 36 minutes.

Map of flight path and driving directions from Chicago to Saint John.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Saint John Airport (YSJ).

How far is Saint John from Chicago?

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

Vincenty's formula (applied above)
  • 1123.669 miles
  • 1808.370 kilometers
  • 976.442 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
  • 1120.789 miles
  • 1803.736 kilometers
  • 973.939 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 Saint John Airport
City: Saint John
Country: Canada Flag of Canada
IATA Code: YSJ
ICAO Code: CYSJ
Coordinates: 45°18′57″N, 65°53′25″W

Time difference and current local times

The time difference between Chicago and Saint John is 2 hours. Saint John is 2 hours ahead of Chicago.

Time Difference

Chicago, IL

 CST

Saint John

 AST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 158 kg (348 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Saint John (YSJ).

Distance:
1124
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1124

Round trip?