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How far is San Diego, CA, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and San Diego (San Diego International Airport) is 1667 miles / 2682 kilometers / 1448 nautical miles.

The driving distance from Rockford (RFD) to San Diego (SAN) is 2023 miles / 3255 kilometers, and travel time by car is about 35 hours 31 minutes.

Chicago Rockford International Airport – San Diego International Airport

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1667
Miles
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2682
Kilometers
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1448
Nautical miles

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Distance from Rockford to San Diego

There are several ways to calculate the distance from Rockford to San Diego. 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 Rockford to San Diego?

The estimated flight time from Chicago Rockford International Airport to San Diego International Airport is 3 hours and 39 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and San Diego International Airport (SAN)

On average, flying from Rockford to San Diego 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 Rockford to San Diego

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and San Diego International Airport (SAN).

Airport information

Origin 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
Destination 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