# 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
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
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.

PDT

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?