How far is Troy, IL from Decatur, IL?
Distance by Flight
Shortest distance between Troy and Decatur is 91.42 miles (147.13 km).
Flight distance from Troy, IL to Decatur, IL is 91.42 miles. Estimated flight time is 00 hours 12 minutes.
It takes 00 hours 10 minutes to travel from Troy to Decatur with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Troy, Illinois to Decatur, Illinois is: 100.41 miles (161.59 km) by car.
Driving from Troy to Decatur will take approximately 01 hours 47 minutes.
#1 Troy
City in Madison County, Illinois, United States
| Population | 10399 |
|---|---|
| GPS Coordinates | 38°43'45"N 89°52'59"W |
| Latitude | 38.7292100 |
| Longitude | -89.8831500 |
| Altitude | 171 |
| 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 Troy and Decatur
The distance between Troy and Decatur is 162 km if you choose to drive by road. You can go 01 hours 47 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 Troy and Decatur. The current time is 23:19:22.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 03 hours 20 minutes |
| 40 mph (64.37 km/h) | 02 hours 30 minutes |
| 50 mph (80.47 km/h) | 02 hours 00 minutes |
| 60 mph (96.56 km/h) | 01 hours 40 minutes |
| 70 mph (112.65 km/h) | 01 hours 26 minutes |
| 75 mph (120.7 km/h) | 01 hours 20 minutes |
| 80 mph (128.75 km/h) | 01 hours 15 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 13.41 liters (3.54 gallon) of gas to cover the route between Troy and Decatur.
The estimated cost of gas to go from Troy to Decatur is $12.78 (diesel $15.24).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $12.78 | $14.57 | $16.12 | $15.24 |
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 23, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Troy and Decatur (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
