How far is Saint Joseph, IN from Lafayette, IN?
The driving distance from Saint Joseph, IN to Lafayette, IN is about 167.8 miles (270.1 km), with a travel time of about 02h 42m by car.
- The straight-line flight distance is about 150.5 miles (242.2 km).
- For a round trip, plan for roughly 05h 25m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 42m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Johnson County, Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saint Joseph and Lafayette.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Joseph and Lafayette.
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1
Start on Grant Line Road
71 m · 5 sec · Grant Line Road
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2
Continue on State Road 111
1.8 mi · 3 min · State Road 111
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3
Turn right onto State Road 60
925 ft · 24 sec · State Road 60
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4
Turn left onto Perry Crossing Road
2.7 mi · 7 min · Perry Crossing Road
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5
Turn left
2.9 mi · 4 min
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6
Turn left onto Memphis-Blue Lick Road
3044 ft · 1 min · Memphis-Blue Lick Road
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7
Take the ramp right
1364 ft · 33 sec
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8
Merge slight left
95.8 mi · 1 hr 46 min
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9
Keep slight right
29.8 mi · 36 min
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10
Take the exit slight right toward US 52 West
1281 ft · 16 sec
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11
Keep slight left
786 ft · 10 sec
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12
Merge slight left
29.9 mi · 32 min
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13
Take the exit slight right toward SR 26: Lafayette, Rossville
1275 ft · 29 sec
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14
Turn left
828 ft · 24 sec
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15
Continue on South Street
2.7 mi · 5 min · South Street
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16
Turn slight left onto Jackson Street
644 ft · 30 sec · Jackson Street
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17
Turn right
54 m · 13 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Joseph and Lafayette.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Memphis-Blue Lick Road
Merge slight left
95.8 mi · 01h 46m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Saint Joseph and Mostly Sunny near Lafayette.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Joseph to Lafayette?
The road trip is about 167.8 miles (270.1 km) and usually takes 02h 42m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Franklin is a useful midpoint, sitting about 83.8 miles from Saint Joseph and 84 miles from Lafayette.
How much longer is the road route than the straight-line distance?
The direct path is about 150.5 miles (242.2 km), while the road route adds roughly 17.3 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:04 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.32 one way or $44.65 round trip. Estimated CO2 is about 52.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Saint Joseph and Mostly Sunny near Lafayette.
Flight Path Map
This map shows the direct air route between Saint Joseph and Lafayette. Straight-line distance: 150.53 mi (242.25 km).
#1 Saint Joseph
The most populous city in St.
| Population | 76,995 |
| Coordinates | 38.4000700, -85.8083000 |
| Altitude | 172 |
| Country | United States |
#2 Lafayette
The most populous city in Tippecanoe County, Indiana.
| Population | 71,484 |
| Coordinates | 40.4167000, -86.8752900 |
| Altitude | 211 |
| Country | United States |
End: (-86.875433, 40.416605)
Estimated Travel Time
Distance: 270 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 35m |
| 40 mph (64.37 km/h) | 04h 11m |
| 50 mph (80.47 km/h) | 03h 21m |
| 60 mph (96.56 km/h) | 02h 47m |
| 70 mph (112.65 km/h) | 02h 23m |
| 80 mph (129 km/h) | 02h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $22.32 | $44.65 |
| Mid-grade | $4.25 | $25.18 | $50.36 |
| Premium | $4.65 | $27.55 | $55.10 |
| Diesel | $5.30 | $31.40 | $62.80 |
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 · Apr 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.