How far is Thorntown, IN from Saint Joseph, IN?
The driving distance from Thorntown, IN to Saint Joseph, IN is about 142.7 miles (229.6 km), with a travel time of about 02h 21m by car.
- The straight-line flight distance is about 126.9 miles (204.2 km).
- For a round trip, plan for roughly 04h 42m 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 21m.
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.
Town in Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Sunny
Driving Route Map
The map below follows the saved road route between Thorntown and Saint Joseph.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thorntown and Saint Joseph.
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1
Start on West Main Street
1891 ft · 38 sec · West Main Street
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2
Continue on IN-47
2 mi · 4 min · IN-47
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3
Turn right
4.8 mi · 7 min
-
4
Take the ramp straight
12.8 mi · 14 min
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5
Keep slight left
17.1 mi · 22 min
-
6
Continue on I 70 East: Dayton
1.9 mi · 3 min
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7
Keep slight left
94.5 mi · 1 hr 43 min
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8
Take the exit slight right toward Memphis Road
1128 ft · 27 sec
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9
Turn left onto Memphis-Blue Lick Road
1.1 km · 1 min · Memphis-Blue Lick Road
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10
Turn right
2.9 mi · 4 min
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11
Turn right onto Perry Crossing Road
2.7 mi · 7 min · Perry Crossing Road
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12
At the end of the road, turn right onto State Road 60
925 ft · 26 sec · State Road 60
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13
Turn left onto State Road 111
1.8 mi · 3 min · State Road 111
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14
Arrive at your destination
0 m · 1 sec · Grant Line Road
Car Route Details
A richer read on the saved driving route between Thorntown and Saint Joseph.
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 70 East
Keep slight left
94.5 mi · 01h 43m
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.
Chance Showers And Thunderstorms leaving Thorntown and Sunny near Saint Joseph.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thorntown to Saint Joseph?
The road trip is about 142.7 miles (229.6 km) and usually takes 02h 21m 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?
Edinburgh is a useful midpoint, sitting about 71 miles from Thorntown and 71.6 miles from Saint Joseph.
How much longer is the road route than the straight-line distance?
The direct path is about 126.9 miles (204.2 km), while the road route adds roughly 15.8 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 1:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.01 one way or $38.01 round trip. Estimated CO2 is about 44.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Thorntown and Sunny near Saint Joseph.
Stop Ideas Near Edinburgh
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 Edinburgh.
Indianapolis Union Station
Connersville station
Crawfordsville
Crawfordsville (Bus), Indiana
Flight Path Map
This map shows the direct air route between Thorntown and Saint Joseph. Straight-line distance: 126.89 mi (204.21 km).
#1 Thorntown
City in Boone County, Indiana, United States of America
| Population | 1,563 |
| Coordinates | 40.1294800, -86.6066700 |
| Altitude | 260 |
| Country | United States |
#2 Saint Joseph
The most populous city in St.
| Population | 76,995 |
| Coordinates | 38.4000700, -85.8083000 |
| Altitude | 172 |
| Country | United States |
End: Grant Line Road (-85.80834, 38.400074)
Estimated Travel Time
Distance: 230 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 45m |
| 40 mph (64.37 km/h) | 03h 34m |
| 50 mph (80.47 km/h) | 02h 51m |
| 60 mph (96.56 km/h) | 02h 22m |
| 70 mph (112.65 km/h) | 02h 02m |
| 80 mph (129 km/h) | 01h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.01 | $38.01 |
| Mid-grade | $4.25 | $21.44 | $42.87 |
| Premium | $4.65 | $23.46 | $46.91 |
| Diesel | $5.30 | $26.73 | $53.46 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.