How far is Granite City, IL from Decatur, IL?
Distance by Flight
Shortest distance between Granite City and Decatur is 101.34 miles (163.09 km).
Flight distance from Granite City, IL to Decatur, IL is 101.34 miles. Estimated flight time is 00 hours 13 minutes.
It takes 00 hours 12 minutes to travel from Granite City to Decatur with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Granite City, Illinois to Decatur, Illinois is: 114.16 miles (183.73 km) by car.
Driving from Granite City to Decatur will take approximately 02 hours 04 minutes.
#1 Granite City
Township in Madison County, Illinois
| Population | 25662 |
|---|---|
| GPS Coordinates | 38°42'5"N 90°8'55"W |
| Latitude | 38.7014400 |
| Longitude | -90.1487200 |
| Altitude | 129 |
| 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 Granite City and Decatur
The distance between Granite City and Decatur is 184 km if you choose to drive by road. You can go 02 hours 02 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 Granite City and Decatur. The current time is 04:33:42.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 03 hours 48 minutes |
| 40 mph (64.37 km/h) | 02 hours 51 minutes |
| 50 mph (80.47 km/h) | 02 hours 16 minutes |
| 60 mph (96.56 km/h) | 01 hours 54 minutes |
| 70 mph (112.65 km/h) | 01 hours 37 minutes |
| 75 mph (120.7 km/h) | 01 hours 31 minutes |
| 80 mph (128.75 km/h) | 01 hours 25 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 15.25 liters (4.03 gallon) of gas to cover the route between Granite City and Decatur.
The estimated cost of gas to go from Granite City to Decatur is $14.53 (diesel $17.32).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $14.53 | $16.57 | $18.33 | $17.32 |
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 April 20, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Granite City and Decatur (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
