Air Miles Calculator

Distance between Chicago, IL (ORD) and South Bend, IN (SBN)

Flight distance from Chicago to South Bend (Chicago O'Hare International Airport – South Bend International Airport) is 84 miles / 135 kilometers / 73 nautical miles. Estimated flight time is 39 minutes.

Driving distance from Chicago (ORD) to South Bend (SBN) is 109 miles / 175 kilometers and travel time by car is about 2 hours 13 minutes.

Map of flight path and driving directions from Chicago to South Bend.

Shortest flight path between Chicago O'Hare International Airport (ORD) and South Bend International Airport (SBN).

How far is South Bend from Chicago?

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

Vincenty's formula (applied above)
  • 84.016 miles
  • 135.210 kilometers
  • 73.008 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
  • 83.812 miles
  • 134.882 kilometers
  • 72.831 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 South Bend International Airport
City: South Bend, IN
Country: United States Flag of United States
IATA Code: SBN
ICAO Code: KSBN
Coordinates: 41°42′31″N, 86°19′2″W

Time difference and current local times

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

Time Difference

Chicago, IL

 CDT

South Bend, IN

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 37 kg (81 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → South Bend (SBN).

Air miles:
84
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
84

Round trip?