›› Distance between Illinois and Idaho

The total distance from Illinois to Idaho is 1,329 miles.

This is equivalent to 2,139 kilometers or 1,155 nautical miles.
Need to do a distance conversion? Convert 1,329 miles to km.

Your trip begins in the state of Illinois.
It ends in the state of Idaho.

Your travel direction from Illinois (IL) to Idaho (ID) is West (-70 degrees from North).

The distance calculator measures the straight line flight distance ("as the crow flies") between points. It uses the great circle formula to compute the travel mileage. You can also use this data to calculate the flight emissions from Illinois to Idaho to determine your carbon footprint.

Idaho is 1 hour behind Illinois. Learn more about the time difference between Illinois and Idaho.

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›› Travel map of Illinois to Idaho



›› Travel times from Illinois to Idaho

A typical flight between Illinois and Idaho would have a flying time of about 2 hours, 39 minutes. This assumes an average air speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your exact flight time may vary depending on wind speeds.

If you could drive a straight line from Illinois to Idaho, the total drive time would be about 24 hours, 10 minutes. This assumes an average driving speed of 55 mph or 88.5 km/hr. If you are planning a road trip, you can get driving directions from Illinois to Idaho using Google Maps, or estimate the total cost to drive from Illinois to Idaho.

Traveling at a different speed? Change any of the fields below and the other numbers will adjust automatically. You can change your speed to see how it affects the travel time, or set your target time to find out how fast you need to go!

Your Speed:
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  Travel Time:
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›› Illinois (IL)

State: Illinois
Country: United States
If you're traveling, you might want to purchase a map of Illinois or a map of the United States.
Category: states
Latitude: 40° 20' 10" N
Longitude: 89° 0' 7" W
Direction to Idaho (ID): West (-70°)
Distance to Idaho (ID): 1,329 miles or 2,139 kilometers
Travel time to Idaho (ID): 2 hours, 39 minutes (500 mph)


›› Idaho (ID)

State: Idaho
Country: United States
If you're traveling, you might want to purchase a map of Idaho or a map of the United States.
Category: states
Latitude: 44° 14' 21" N
Longitude: 114° 30' 37" W
Distance from Illinois (IL): 1,329 miles or 2,139 kilometers
Travel time from Illinois (IL): 2 hours, 39 minutes (500 mph)


›› Total distance

Illinois to Idaho: 1,329 miles or 2,139 kilometers

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›› Travel distance calculator

This site provides an online distance calculator for all types of travel routes. You can enter airports, cities, states, countries, or zip codes to find the distance between any two points. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flight distance "as the crow flies." Find your travel distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips.


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