How far is St. Charles, IL from Decatur, IL?
Distance by Flight
Shortest distance between St. Charles and Decatur is 147.21 miles (236.91 km).
Flight distance from St. Charles, IL to Decatur, IL is 147.21 miles. Estimated flight time is 00 hours 23 minutes.
It takes 00 hours 21 minutes to travel from St. Charles to Decatur with an airplane (average speed of 550 miles).
Driving distance
The driving distance from St. Charles, Illinois to Decatur, Illinois is: 194.7 miles (313.34 km) by car.
Driving from St. Charles to Decatur will take approximately 03 hours 16 minutes.
#1 St. Charles
Chicago suburb in Kane and DuPage counties of Illinois, United States
| Population | 32974 |
|---|---|
| GPS Coordinates | 41°54'51"N 88°18'31"W |
| Latitude | 41.9141900 |
| Longitude | -88.3086900 |
| Altitude | 223 |
| 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 St. Charles and Decatur
The distance between St. Charles and Decatur is 313 km if you choose to drive by road. You can go 03 hours 28 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 St. Charles and Decatur. The current time is 04:54:49.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 06 hours 29 minutes |
| 40 mph (64.37 km/h) | 04 hours 52 minutes |
| 50 mph (80.47 km/h) | 03 hours 53 minutes |
| 60 mph (96.56 km/h) | 03 hours 14 minutes |
| 70 mph (112.65 km/h) | 02 hours 46 minutes |
| 75 mph (120.7 km/h) | 02 hours 35 minutes |
| 80 mph (128.75 km/h) | 02 hours 25 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 26.01 liters (6.87 gallon) of gas to cover the route between St. Charles and Decatur.
The estimated cost of gas to go from St. Charles to Decatur is $24.78 (diesel $29.54).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $24.78 | $28.25 | $31.27 | $29.54 |
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 26, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between St. Charles and Decatur (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
