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How far is Ontario, CA, from Champaign, IL?

The distance between Champaign (University of Illinois Willard Airport) and Ontario (Ontario International Airport) is 1664 miles / 2678 kilometers / 1446 nautical miles.

The driving distance from Champaign (CMI) to Ontario (ONT) is 1956 miles / 3148 kilometers, and travel time by car is about 34 hours 9 minutes.

University of Illinois Willard Airport – Ontario International Airport

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1664
Miles
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2678
Kilometers
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1446
Nautical miles

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Distance from Champaign to Ontario

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

Vincenty's formula (applied above)
  • 1664.240 miles
  • 2678.334 kilometers
  • 1446.185 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
  • 1660.800 miles
  • 2672.799 kilometers
  • 1443.196 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 Ontario?

The estimated flight time from University of Illinois Willard Airport to Ontario International Airport is 3 hours and 39 minutes.

Flight carbon footprint between University of Illinois Willard Airport (CMI) and Ontario International Airport (ONT)

On average, flying from Champaign to Ontario generates about 190 kg of CO2 per passenger, and 190 kilograms equals 419 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 Ontario

See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Ontario International Airport (ONT).

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 Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W