How far is Decatur, IL from Rockford, IL?
Distance by Flight
Shortest distance between Decatur and Rockford is 168.11 miles (270.55 km).
Flight distance from Decatur, IL to Rockford, IL is 168.11 miles. Estimated flight time is 00 hours 21 minutes.
It takes 00 hours 19 minutes to travel from Decatur to Rockford with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Decatur, Illinois to Rockford, Illinois is: 181.69 miles (292.4 km) by car.
Driving from Decatur to Rockford will take approximately 02 hours 54 minutes.
#1 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 |
#2 Rockford
The second most populous city in Illinois. It is located in the northwestern part of the state. Rockford is known for its many manufacturing companies, its many parks and green spaces, and its many attractions, such as the Rockford Art Museum and the Burpee Museum of Natural History.
| Population | 144835 |
|---|---|
| GPS Coordinates | 42°16'16"N 89°5'38"W |
| Latitude | 42.2711300 |
| Longitude | -89.0940000 |
| Altitude | 218 |
| Country | United States |
Ending point in Rockford: West State Street (-89.094046,42.271066)
Estimated Travel Time Between Decatur and Rockford
The distance between Decatur and Rockford is 292 km if you choose to drive by road. You can go 03 hours 14 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 Decatur and Rockford. The current time is 00:41:36.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 06 hours 03 minutes |
| 40 mph (64.37 km/h) | 04 hours 32 minutes |
| 50 mph (80.47 km/h) | 03 hours 38 minutes |
| 60 mph (96.56 km/h) | 03 hours 01 minutes |
| 70 mph (112.65 km/h) | 02 hours 35 minutes |
| 75 mph (120.7 km/h) | 02 hours 25 minutes |
| 80 mph (128.75 km/h) | 02 hours 15 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 24.27 liters (6.41 gallon) of gas to cover the route between Decatur and Rockford.
The estimated cost of gas to go from Decatur to Rockford is $23.13 (diesel $27.57).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $23.13 | $26.36 | $29.18 | $27.57 |
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 18, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Decatur and Rockford (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
