Air Miles Calculator

Distance between San Francisco, CA (SFO) and Champaign, IL (CMI)

Flight distance from San Francisco to Champaign (San Francisco International Airport – University of Illinois Willard Airport) is 1836 miles / 2955 kilometers / 1595 nautical miles. Estimated flight time is 3 hours 58 minutes.

Driving distance from San Francisco (SFO) to Champaign (CMI) is 2144 miles / 3451 kilometers and travel time by car is about 35 hours 14 minutes.

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

Shortest flight path between San Francisco International Airport (SFO) and University of Illinois Willard Airport (CMI).

How far is Champaign from San Francisco?

There are several ways to calculate distances between San Francisco and Champaign. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

The time difference between San Francisco and Champaign is 2 hours. Champaign is 2 hours ahead of San Francisco.

Time Difference

San Francisco, CA

 PDT

Champaign, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 203 kg (447 pounds).

Frequent Flyer Miles Calculator

San Francisco (SFO) → Champaign (CMI).

Distance:
1836
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1836

Round trip?