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).
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.
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 03:10:27.
|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|
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 $17.42 (diesel $19.17).
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 per gallon of daily gas for calculations is $3.38 (Diesel $3.72) /gallon. Last changed prices on December 06, 2021.
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.