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How far is San Francisco, CA, from Champaign, IL?

The distance between Champaign (University of Illinois Willard Airport) and San Francisco (San Francisco International Airport) is 1836 miles / 2955 kilometers / 1595 nautical miles.

The driving distance from Champaign (CMI) to San Francisco (SFO) is 2147 miles / 3455 kilometers, and travel time by car is about 37 hours 29 minutes.

University of Illinois Willard Airport – San Francisco International Airport

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1836
Miles
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2955
Kilometers
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1595
Nautical miles

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Distance from Champaign to San Francisco

There are several ways to calculate the distance from Champaign to San Francisco. Here are two standard methods:

Vincenty's formula (applied above)
  • 1836.058 miles
  • 2954.849 kilometers
  • 1595.491 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
  • 1831.655 miles
  • 2947.763 kilometers
  • 1591.665 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 Champaign to San Francisco?

The estimated flight time from University of Illinois Willard Airport to San Francisco International Airport is 3 hours and 58 minutes.

Flight carbon footprint between University of Illinois Willard Airport (CMI) and San Francisco International Airport (SFO)

On average, flying from Champaign to San Francisco generates about 203 kg of CO2 per passenger, and 203 kilograms equals 447 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Champaign to San Francisco

See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and San Francisco International Airport (SFO).

Airport information

Origin University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W
Destination San Francisco International Airport
City: San Francisco, CA
Country: United States Flag of United States
IATA Code: SFO
ICAO Code: KSFO
Coordinates: 37°37′8″N, 122°22′30″W