How far is Lafayette, IN from Saint John, IN?

Fastest route

The distance between Lafayette, IN and Saint John, IN is 120 miles (193 kilometers) by car. There are a few different routes you can take, but the fastest is via I-65 N. The drive time is approximately 1 hour and 45 minutes.

Here are some recommended routes from Lafayette to Saint John by car:

Route 1: 1 hour and 45 minutes, 120 miles
- I-65 N
Route 2: 2 hours and 4 minutes, 126 miles
- I-65 N
- IN-38 N
Route 3: 2 hours and 15 minutes, 130 miles
- I-65 N
- US-41 N

Distance by Flight

Shortest distance between Lafayette and Saint John is 164.41 miles (264.58 km).

Flight distance from Lafayette, IN to Saint John, IN is 164.41 miles. Estimated flight time is 00 hours 25 minutes.

It takes 00 hours 23 minutes to travel from Lafayette to Saint John with an airplane (average speed of 550 miles).

Driving distance

The driving distance from Lafayette, Indiana to Saint John, Indiana is: 213.29 miles (343.26 km) by car.

Driving from Lafayette to Saint John will take approximately 03 hours 28 minutes.

#1 Lafayette

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

#2 Saint John

Town in Indiana, United States

Population	19616
GPS Coordinates	38°4'45"N 87°27'0"W
Latitude	38.0792100
Longitude	-87.4500100
Altitude	131
Country	United States

Starting point in Lafayette: (-86.875433,40.416605)
Ending point in Saint John: St John Road (-87.44975,38.079207)

Estimated Travel Time Between Lafayette and Saint John

The distance between Lafayette and Saint John is 343 km if you choose to drive by road. You can go 03 hours 48 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.

Please keep in mind that there is a 1 hour time gap between Lafayette, IN and Saint John, IN. The current time in Lafayette is 08:12:48, although it is 07:12:48 in Saint John.

Average Speed	Travel Time
30 mph (48.3 km/h)	07 hours 06 minutes
40 mph (64.37 km/h)	05 hours 19 minutes
50 mph (80.47 km/h)	04 hours 15 minutes
60 mph (96.56 km/h)	03 hours 33 minutes
70 mph (112.65 km/h)	03 hours 02 minutes
75 mph (120.7 km/h)	02 hours 50 minutes
80 mph (128.75 km/h)	02 hours 39 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 28.49 liters (7.53 gallon) of gas to cover the route between Lafayette and Saint John.
The estimated cost of gas to go from Lafayette to Saint John is $25.48 (diesel $32.86).

Indiana gas prices.

	Gasoline	Mid Grade	Premium	Diesel
Gallon	$3.39	$3.88	$4.33	$4.37
Total	$25.48	$29.16	$32.57	$32.86

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 18, 2024.

How did we calculate the distance?

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