How far is Joliet, IL from Decatur, IL?
Distance by Flight
Shortest distance between Joliet and Decatur is 125.05 miles (201.24 km).
Flight distance from Joliet, IL to Decatur, IL is 125.05 miles. Estimated flight time is 00 hours 17 minutes.
It takes 00 hours 15 minutes to travel from Joliet to Decatur with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Joliet, Illinois to Decatur, Illinois is: 146.04 miles (235.04 km) by car.
Driving from Joliet to Decatur will take approximately 02 hours 24 minutes.
#1 Joliet
The second most populous city in Will County, Illinois. It is located on the Des Plaines River in northeastern Illinois. Joliet is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Joliet Correctional Center and the Joliet Area Historical Museum.
| Population | 85583 |
|---|---|
| GPS Coordinates | 41°31'31"N 88°5'0"W |
| Latitude | 41.5251900 |
| Longitude | -88.0834000 |
| Altitude | 165 |
| 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 Joliet and Decatur
The distance between Joliet and Decatur is 235 km if you choose to drive by road. You can go 02 hours 36 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 Joliet and Decatur. The current time is 01:48:51.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 04 hours 51 minutes |
| 40 mph (64.37 km/h) | 03 hours 39 minutes |
| 50 mph (80.47 km/h) | 02 hours 55 minutes |
| 60 mph (96.56 km/h) | 02 hours 26 minutes |
| 70 mph (112.65 km/h) | 02 hours 05 minutes |
| 75 mph (120.7 km/h) | 01 hours 56 minutes |
| 80 mph (128.75 km/h) | 01 hours 49 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 19.51 liters (5.15 gallon) of gas to cover the route between Joliet and Decatur.
The estimated cost of gas to go from Joliet to Decatur is $18.59 (diesel $22.16).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $18.59 | $21.19 | $23.45 | $22.16 |
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 22, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Joliet and Decatur (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
