Air Miles Calculator

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

Distance from San Diego to Rockford (San Diego International Airport – Chicago Rockford International Airport) is 1667 miles / 2682 kilometers / 1448 nautical miles.

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).

Flight duration

Estimated flight time from San Diego International Airport (SAN) to Chicago Rockford International Airport (RFD) is 3 hours 39 minutes.

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
Rockford

San Diego, CA

 PST

Rockford, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 183 kg (403 pounds).

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

Map

San Diego to Rockford flight map.

Frequent Flyer Miles Calculator

San Diego (SAN) → Rockford (RFD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1667
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1667

Round trip?