How far is Mount Prospect, IL from Decatur, IL?
Distance by Flight
Shortest distance between Mount Prospect and Decatur is 162.71 miles (261.86 km).
Flight distance from Mount Prospect, IL to Decatur, IL is 162.71 miles. Estimated flight time is 00 hours 22 minutes.
It takes 00 hours 20 minutes to travel from Mount Prospect to Decatur with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Mount Prospect, Illinois to Decatur, Illinois is: 188.87 miles (303.96 km) by car.
Driving from Mount Prospect to Decatur will take approximately 03 hours 12 minutes.
#1 Mount Prospect
Village in Elk Grove and Wheeling Townships in Cook County, Illinois, United States
| Population | 53299 |
|---|---|
| GPS Coordinates | 42°3'59"N 87°56'14"W |
| Latitude | 42.0664200 |
| Longitude | -87.9372900 |
| Altitude | 204 |
| 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 Mount Prospect and Decatur
The distance between Mount Prospect and Decatur is 304 km if you choose to drive by road. You can go 03 hours 22 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 Mount Prospect and Decatur. The current time is 19:38:18.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 06 hours 17 minutes |
| 40 mph (64.37 km/h) | 04 hours 43 minutes |
| 50 mph (80.47 km/h) | 03 hours 46 minutes |
| 60 mph (96.56 km/h) | 03 hours 08 minutes |
| 70 mph (112.65 km/h) | 02 hours 41 minutes |
| 75 mph (120.7 km/h) | 02 hours 31 minutes |
| 80 mph (128.75 km/h) | 02 hours 21 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 25.23 liters (6.66 gallon) of gas to cover the route between Mount Prospect and Decatur.
The estimated cost of gas to go from Mount Prospect to Decatur is $24.04 (diesel $28.66).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $24.04 | $27.41 | $30.33 | $28.66 |
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 21, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Mount Prospect and Decatur (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
