How far is San Jose, CA, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and San Jose (San Jose International Airport) is 1768 miles / 2845 kilometers / 1536 nautical miles.
The driving distance from Rockford (RFD) to San Jose (SJC) is 2104 miles / 3386 kilometers, and travel time by car is about 36 hours 22 minutes.
Chicago Rockford International Airport – San Jose International Airport
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Distance from Rockford to San Jose
There are several ways to calculate the distance from Rockford to San Jose. Here are two standard methods:
Vincenty's formula (applied above)- 1767.853 miles
- 2845.084 kilometers
- 1536.222 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- 1763.709 miles
- 2838.415 kilometers
- 1532.621 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 Rockford to San Jose?
The estimated flight time from Chicago Rockford International Airport to San Jose International Airport is 3 hours and 50 minutes.
What is the time difference between Rockford and San Jose?
The time difference between Rockford and San Jose is 2 hours. San Jose is 2 hours behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and San Jose International Airport (SJC)
On average, flying from Rockford to San Jose generates about 198 kg of CO2 per passenger, and 198 kilograms equals 436 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rockford to San Jose
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and San Jose International Airport (SJC).
Airport information
| Origin | 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 |
| Destination | San Jose International Airport |
|---|---|
| City: | San Jose, CA |
| Country: | United States |
| IATA Code: | SJC |
| ICAO Code: | KSJC |
| Coordinates: | 37°21′45″N, 121°55′44″W |