How far is Rockford, IL, from South Bend, IN?
The distance between South Bend (South Bend International Airport) and Rockford (Chicago Rockford International Airport) is 147 miles / 237 kilometers / 128 nautical miles.
The driving distance from South Bend (SBN) to Rockford (RFD) is 178 miles / 286 kilometers, and travel time by car is about 3 hours 32 minutes.
South Bend International Airport – Chicago Rockford International Airport
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Distance from South Bend to Rockford
There are several ways to calculate the distance from South Bend to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 147.099 miles
- 236.732 kilometers
- 127.825 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- 146.743 miles
- 236.160 kilometers
- 127.516 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 South Bend to Rockford?
The estimated flight time from South Bend International Airport to Chicago Rockford International Airport is 46 minutes.
What is the time difference between South Bend and Rockford?
The time difference between South Bend and Rockford is 1 hour. Rockford is 1 hour behind South Bend.
Flight carbon footprint between South Bend International Airport (SBN) and Chicago Rockford International Airport (RFD)
On average, flying from South Bend to Rockford generates about 47 kg of CO2 per passenger, and 47 kilograms equals 103 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from South Bend to Rockford
See the map of the shortest flight path between South Bend International Airport (SBN) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | South Bend International Airport |
|---|---|
| City: | South Bend, IN |
| Country: | United States  |
| IATA Code: | SBN |
| ICAO Code: | KSBN |
| Coordinates: | 41°42′31″N, 86°19′2″W |
| Destination | Chicago Rockford International Airport |
|---|---|
| City: | Rockford, IL |
| Country: | United States |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″W |