How far is Rockford, IL, from Sudbury?
The distance between Sudbury (Sudbury Airport) and Rockford (Chicago Rockford International Airport) is 512 miles / 823 kilometers / 445 nautical miles.
The driving distance from Sudbury (YSB) to Rockford (RFD) is 689 miles / 1109 kilometers, and travel time by car is about 14 hours 48 minutes.
Sudbury Airport – Chicago Rockford International Airport
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Distance from Sudbury to Rockford
There are several ways to calculate the distance from Sudbury to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 511.620 miles
- 823.373 kilometers
- 444.586 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- 510.839 miles
- 822.115 kilometers
- 443.907 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 Sudbury to Rockford?
The estimated flight time from Sudbury Airport to Chicago Rockford International Airport is 1 hour and 28 minutes.
What is the time difference between Sudbury and Rockford?
The time difference between Sudbury and Rockford is 1 hour. Rockford is 1 hour behind Sudbury.
Flight carbon footprint between Sudbury Airport (YSB) and Chicago Rockford International Airport (RFD)
On average, flying from Sudbury to Rockford generates about 100 kg of CO2 per passenger, and 100 kilograms equals 221 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Sudbury to Rockford
See the map of the shortest flight path between Sudbury Airport (YSB) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Sudbury Airport |
|---|---|
| City: | Sudbury |
| Country: | Canada  |
| IATA Code: | YSB |
| ICAO Code: | CYSB |
| Coordinates: | 46°37′30″N, 80°47′56″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 |