How far is Marion, IL from Decatur, IL?
Distance by Flight
Shortest distance between Marion and Decatur is 145.77 miles (234.6 km).
Flight distance from Marion, IL to Decatur, IL is 145.77 miles. Estimated flight time is 00 hours 19 minutes.
It takes 00 hours 17 minutes to travel from Marion to Decatur with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Marion, Illinois to Decatur, Illinois is: 163.29 miles (262.79 km) by car.
Driving from Marion to Decatur will take approximately 02 hours 57 minutes.
#1 Marion
City in and the county seat of Williamson County, Illinois, United States
| Population | 17803 |
|---|---|
| GPS Coordinates | 37°43'50"N 88°55'59"W |
| Latitude | 37.7306100 |
| Longitude | -88.9331300 |
| 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 Marion and Decatur
The distance between Marion and Decatur is 263 km if you choose to drive by road. You can go 02 hours 55 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 Marion and Decatur. The current time is 01:15:30.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 05 hours 26 minutes |
| 40 mph (64.37 km/h) | 04 hours 04 minutes |
| 50 mph (80.47 km/h) | 03 hours 15 minutes |
| 60 mph (96.56 km/h) | 02 hours 43 minutes |
| 70 mph (112.65 km/h) | 02 hours 19 minutes |
| 75 mph (120.7 km/h) | 02 hours 10 minutes |
| 80 mph (128.75 km/h) | 02 hours 02 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 21.81 liters (5.76 gallon) of gas to cover the route between Marion and Decatur.
The estimated cost of gas to go from Marion to Decatur is $20.78 (diesel $24.78).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $20.78 | $23.69 | $26.22 | $24.78 |
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 November 24, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Marion and Decatur (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
