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
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 03h 28m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
The most populous city in Monroe County, Indiana.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Lafayette and Saint John.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lafayette and Saint John.
-
1
Start on the route
56 m · 16 sec
-
2
Turn right onto Douglas Street
50 m · 8 sec · Douglas Street
-
3
Turn left onto Grant Street
11 m · 4 sec · Grant Street
-
4
Turn right onto South Street
2.8 mi · 6 min · South Street
-
5
Take the ramp right toward I 65 South: Indianapolis
1898 ft · 25 sec
-
6
Merge slight left
42.4 mi · 46 min
-
7
Keep slight left
5.9 mi · 7 min
-
8
Take the exit slight right toward I 465 South
1210 ft · 30 sec
-
9
Continue on I 465 South
1 km · 1 min
-
10
Merge slight left
13.7 mi · 16 min
-
11
Take the exit slight right toward I 69 South: Evansville
1.3 km · 2 min
-
12
Continue straight
47.5 mi · 53 min
-
13
Keep slight left to continue on I 69 South: Evansville
99 mi · 1 hr 46 min
-
14
Take the exit slight right toward Boonville-New Harmony Road
1764 ft · 43 sec
-
15
Turn left onto East Boonville New Harmony Road
1532 ft · 42 sec · East Boonville New Harmony Road
-
16
Continue on New Harmony Road
1.4 mi · 3 min · New Harmony Road
-
17
Turn right onto St John Road
1.1 mi · 4 min · St John Road
-
18
Arrive at your destination
0 m · 1 sec · St John Road
Car Route Details
A richer read on the saved driving route between Lafayette and Saint John.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 69 South
Keep slight left to continue on I 69 South: Evansville
99 mi · 01h 46m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Lafayette and Sunny near Saint John.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lafayette to Saint John?
The road trip is about 213.3 miles (343.3 km) and usually takes 03h 28m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Bloomington is a useful midpoint, sitting about 108.2 miles from Lafayette and 105.1 miles from Saint John.
How much longer is the road route than the straight-line distance?
The direct path is about 164.4 miles (264.6 km), while the road route adds roughly 48.9 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:04 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.40 one way or $56.79 round trip. Estimated CO2 is about 66.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Lafayette and Saint John, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Lafayette and Sunny near Saint John.
Stop Ideas Near Bloomington
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bloomington.
Indianapolis Union Station
Crawfordsville
Crawfordsville (Bus), Indiana
Flight Path Map
This map shows the direct air route between Lafayette and Saint John. Straight-line distance: 164.4 mi (264.58 km).
#1 Lafayette
The most populous city in Tippecanoe County, Indiana.
| Population | 71,484 |
| Coordinates | 40.4167000, -86.8752900 |
| Altitude | 211 |
| Country | United States |
#2 Saint John
Town in Indiana, United States
| Population | 19,616 |
| Coordinates | 38.0792100, -87.4500100 |
| Altitude | 131 |
| Country | United States |
End: St John Road (-87.44975, 38.079207)
Estimated Travel Time
Distance: 343 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 06m |
| 40 mph (64.37 km/h) | 05h 19m |
| 50 mph (80.47 km/h) | 04h 15m |
| 60 mph (96.56 km/h) | 03h 33m |
| 70 mph (112.65 km/h) | 03h 02m |
| 80 mph (129 km/h) | 02h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $28.40 | $56.79 |
| Mid-grade | $4.25 | $32.03 | $64.05 |
| Premium | $4.65 | $35.04 | $70.09 |
| Diesel | $5.30 | $39.94 | $79.88 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Indiana · Jun 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.