How far is Oak Forest, IL from Decatur, IL?
Distance by Flight
Shortest distance between Oak Forest and Decatur is 137.29 miles (220.95 km).
Flight distance from Oak Forest, IL to Decatur, IL is 137.29 miles. Estimated flight time is 00 hours 19 minutes.
It takes 00 hours 17 minutes to travel from Oak Forest to Decatur with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Oak Forest, Illinois to Decatur, Illinois is: 159.03 miles (255.94 km) by car.
Driving from Oak Forest to Decatur will take approximately 02 hours 34 minutes.
#1 Oak Forest
City in Cook County, Illinois
| Population | 26884 |
|---|---|
| GPS Coordinates | 41°36'10"N 87°44'38"W |
| Latitude | 41.6028100 |
| Longitude | -87.7439400 |
| Altitude | 205 |
| 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 Oak Forest and Decatur
The distance between Oak Forest and Decatur is 256 km if you choose to drive by road. You can go 02 hours 50 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 Oak Forest and Decatur. The current time is 10:08:41.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 05 hours 17 minutes |
| 40 mph (64.37 km/h) | 03 hours 58 minutes |
| 50 mph (80.47 km/h) | 03 hours 10 minutes |
| 60 mph (96.56 km/h) | 02 hours 39 minutes |
| 70 mph (112.65 km/h) | 02 hours 16 minutes |
| 75 mph (120.7 km/h) | 02 hours 07 minutes |
| 80 mph (128.75 km/h) | 01 hours 59 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 21.24 liters (5.61 gallon) of gas to cover the route between Oak Forest and Decatur.
The estimated cost of gas to go from Oak Forest to Decatur is $20.24 (diesel $24.13).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $20.24 | $23.08 | $25.54 | $24.13 |
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 25, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Oak 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.
