How far is Rockford, IL, from San Francisco, CA?
The distance between San Francisco (San Francisco International Airport) and Rockford (Chicago Rockford International Airport) is 1784 miles / 2872 kilometers / 1551 nautical miles.
The driving distance from San Francisco (SFO) to Rockford (RFD) is 2084 miles / 3354 kilometers, and travel time by car is about 36 hours 7 minutes.
San Francisco International Airport – Chicago Rockford International Airport
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Distance from San Francisco to Rockford
There are several ways to calculate the distance from San Francisco to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 1784.421 miles
- 2871.746 kilometers
- 1550.619 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- 1780.193 miles
- 2864.943 kilometers
- 1546.946 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 San Francisco to Rockford?
The estimated flight time from San Francisco International Airport to Chicago Rockford International Airport is 3 hours and 52 minutes.
What is the time difference between San Francisco and Rockford?
Flight carbon footprint between San Francisco International Airport (SFO) and Chicago Rockford International Airport (RFD)
On average, flying from San Francisco to Rockford generates about 199 kg of CO2 per passenger, and 199 kilograms equals 438 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from San Francisco to Rockford
See the map of the shortest flight path between San Francisco International Airport (SFO) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | San Francisco International Airport |
|---|---|
| City: | San Francisco, CA |
| Country: | United States  |
| IATA Code: | SFO |
| ICAO Code: | KSFO |
| Coordinates: | 37°37′8″N, 122°22′30″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 |