How far is Lake Forest, IL from Decatur, IL?
Distance by Flight
Shortest distance between Lake Forest and Decatur is 176.88 miles (284.67 km).
Flight distance from Lake Forest, IL to Decatur, IL is 176.88 miles. Estimated flight time is 00 hours 24 minutes.
It takes 00 hours 22 minutes to travel from Lake Forest to Decatur with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Lake Forest, Illinois to Decatur, Illinois is: 204.84 miles (329.66 km) by car.
Driving from Lake Forest to Decatur will take approximately 03 hours 31 minutes.
#1 Lake Forest
City in Lake County, Illinois, United States
| Population | 19379 |
|---|---|
| GPS Coordinates | 42°15'31"N 87°50'26"W |
| Latitude | 42.2586300 |
| Longitude | -87.8406300 |
| Altitude | 210 |
| Country | United States |
#2 Decatur
The most populous city in Macon County, Illinois. It is located on the Sangamon River in central Illinois. Decatur is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Decatur Museum of Art and History and the Lincoln Log Cabin State Historic Site.
| Population | 70007 |
|---|---|
| GPS Coordinates | 39°50'25"N 88°57'17"W |
| Latitude | 39.8403100 |
| Longitude | -88.9548000 |
| Altitude | 205 |
| Country | United States |
Ending point in Decatur: East Wood Street (-88.954801,39.840341)
Estimated Travel Time Between Lake Forest and Decatur
The distance between Lake Forest and Decatur is 330 km if you choose to drive by road. You can go 03 hours 39 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between Lake Forest and Decatur. The current time is 06:58:23.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 06 hours 49 minutes |
| 40 mph (64.37 km/h) | 05 hours 07 minutes |
| 50 mph (80.47 km/h) | 04 hours 05 minutes |
| 60 mph (96.56 km/h) | 03 hours 24 minutes |
| 70 mph (112.65 km/h) | 02 hours 55 minutes |
| 75 mph (120.7 km/h) | 02 hours 43 minutes |
| 80 mph (128.75 km/h) | 02 hours 33 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 27.36 liters (7.23 gallon) of gas to cover the route between Lake Forest and Decatur.
The estimated cost of gas to go from Lake Forest to Decatur is $26.07 (diesel $31.08).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $26.07 | $29.72 | $32.9 | $31.08 |
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price (in Illinois ) per gallon of daily gas for calculations is $3.607 (Diesel $4.300) /gallon. Last changed prices on December 18, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Lake Forest and Decatur (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
