How far is Decatur, IN from Lafayette, IN?

Distance by Flight

Shortest distance between Decatur and Lafayette is 105.99 miles (170.57 km).

Flight distance from Decatur, IN to Lafayette, IN is 105.99 miles. Estimated flight time is 00 hours 14 minutes.

It takes 00 hours 13 minutes to travel from Decatur to Lafayette with an airplane (average speed of 550 miles).

Driving distance

The driving distance from Decatur, Indiana to Lafayette, Indiana is: 119.77 miles (192.74 km) by car.

Driving from Decatur to Lafayette will take approximately 02 hours 14 minutes.

#1 Decatur

City in Indiana, United States

Population	34821
GPS Coordinates	40°49'50"N 84°55'45"W
Latitude	40.8306000
Longitude	-84.9291300
Altitude	244
Country	United States

The most populous city in Tippecanoe County, Indiana. It is located on the Wabash River in north-central Indiana. Lafayette is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Purdue University campus and the Lafayette Public Library.

Population	71484
GPS Coordinates	40°25'0"N 86°52'31"W
Latitude	40.4167000
Longitude	-86.8752900
Altitude	211
Country	United States

Starting point in Decatur: West Monroe Street (-84.929141,40.83064)
Ending point in Lafayette: (-86.875433,40.416605)

Estimated Travel Time Between Decatur and Lafayette

The distance between Decatur and Lafayette is 193 km if you choose to drive by road. You can go 02 hours 08 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 Lafayette. The current time is 04:19:24.

Average Speed	Travel Time
30 mph (48.3 km/h)	03 hours 59 minutes
40 mph (64.37 km/h)	02 hours 59 minutes
50 mph (80.47 km/h)	02 hours 23 minutes
60 mph (96.56 km/h)	01 hours 59 minutes
70 mph (112.65 km/h)	01 hours 42 minutes
75 mph (120.7 km/h)	01 hours 35 minutes
80 mph (128.75 km/h)	01 hours 29 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 16 liters (4.23 gallon) of gas to cover the route between Decatur and Lafayette.
The estimated cost of gas to go from Decatur to Lafayette is $14.31 (diesel $18.45).

Indiana gas prices.

	Gasoline	Mid Grade	Premium	Diesel
Gallon	$3.39	$3.88	$4.33	$4.37
Total	$14.31	$16.38	$18.29	$18.45

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 Indiana ) per gallon of daily gas for calculations is $3.385 (Diesel $4.366) /gallon. Last changed prices on December 22, 2024.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Decatur and Lafayette (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.