How far is Rockford, IL, from San Diego, CA?
The distance between San Diego (San Diego International Airport) and Rockford (Chicago Rockford International Airport) is 1667 miles / 2682 kilometers / 1448 nautical miles.
The driving distance from San Diego (SAN) to Rockford (RFD) is 2023 miles / 3255 kilometers, and travel time by car is about 35 hours 32 minutes.
San Diego International Airport – Chicago Rockford International Airport
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Distance from San Diego to Rockford
There are several ways to calculate the distance from San Diego to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 1666.642 miles
- 2682.200 kilometers
- 1448.272 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- 1663.804 miles
- 2677.633 kilometers
- 1445.806 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 Diego to Rockford?
The estimated flight time from San Diego International Airport to Chicago Rockford International Airport is 3 hours and 39 minutes.
What is the time difference between San Diego and Rockford?
Flight carbon footprint between San Diego International Airport (SAN) and Chicago Rockford International Airport (RFD)
On average, flying from San Diego to Rockford generates about 190 kg of CO2 per passenger, and 190 kilograms equals 420 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 Diego to Rockford
See the map of the shortest flight path between San Diego International Airport (SAN) and Chicago Rockford International Airport (RFD).
Airport information
Origin | San Diego International Airport |
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City: | San Diego, CA |
Country: | United States ![]() |
IATA Code: | SAN |
ICAO Code: | KSAN |
Coordinates: | 32°44′0″N, 117°11′24″W |
Destination | Chicago Rockford International Airport |
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City: | Rockford, IL |
Country: | United States ![]() |
IATA Code: | RFD |
ICAO Code: | KRFD |
Coordinates: | 42°11′43″N, 89°5′49″W |