Air Miles Calculator

Distance between San Diego, CA (SAN) and Rockford, IL (RFD)

Flight distance from San Diego to Rockford (San Diego International Airport – Chicago Rockford International Airport) is 1667 miles / 2682 kilometers / 1448 nautical miles. Estimated flight time is 3 hours 39 minutes.

Driving distance from San Diego (SAN) to Rockford (RFD) is 2023 miles / 3255 kilometers and travel time by car is about 33 hours 23 minutes.

Map of flight path and driving directions from San Diego to Rockford.

Shortest flight path between San Diego International Airport (SAN) and Chicago Rockford International Airport (RFD).

How far is Rockford from San Diego?

There are several ways to calculate distances between San Diego and Rockford. Here are two common 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 earth.

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).

Airport information


A San Diego International Airport
City: San Diego, CA
Country: United States Flag of United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″W

B Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W

Time difference and current local times

The time difference between San Diego and Rockford is 2 hours. Rockford is 2 hours ahead of San Diego.

Time Difference

San Diego, CA

 PST

Rockford, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 190 kg (420 pounds).

Frequent Flyer Miles Calculator

San Diego (SAN) → Rockford (RFD).

Distance:
1667
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1667

Round trip?