How far is Grayslake, IL from Decatur, IL?
Distance by Flight
Shortest distance between Grayslake and Decatur is 179.43 miles (288.77 km).
Flight distance from Grayslake, IL to Decatur, IL is 179.43 miles. Estimated flight time is 00 hours 26 minutes.
It takes 00 hours 23 minutes to travel from Grayslake to Decatur with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Grayslake, Illinois to Decatur, Illinois is: 215.86 miles (347.4 km) by car.
Driving from Grayslake to Decatur will take approximately 03 hours 37 minutes.
#1 Grayslake
Village in Lake County, Illinois, United States
| Population | 20584 |
|---|---|
| GPS Coordinates | 42°20'40"N 88°2'30"W |
| Latitude | 42.3444700 |
| Longitude | -88.0417500 |
| Altitude | 239 |
| 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 Grayslake and Decatur
The distance between Grayslake and Decatur is 347 km if you choose to drive by road. You can go 03 hours 51 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 Grayslake and Decatur. The current time is 12:20:44.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 07 hours 11 minutes |
| 40 mph (64.37 km/h) | 05 hours 23 minutes |
| 50 mph (80.47 km/h) | 04 hours 19 minutes |
| 60 mph (96.56 km/h) | 03 hours 35 minutes |
| 70 mph (112.65 km/h) | 03 hours 05 minutes |
| 75 mph (120.7 km/h) | 02 hours 52 minutes |
| 80 mph (128.75 km/h) | 02 hours 41 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 28.83 liters (7.62 gallon) of gas to cover the route between Grayslake and Decatur.
The estimated cost of gas to go from Grayslake to Decatur is $27.47 (diesel $32.75).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $27.47 | $31.32 | $34.67 | $32.75 |
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 September 11, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Grayslake and Decatur (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
