How far is Porter, IN from Saint Joseph, IN?
The driving distance from Porter, IN to Saint Joseph, IN is about 265.9 miles (427.9 km), with a travel time of about 04h 17m by car.
- The straight-line flight distance is about 232 miles (373.4 km).
- For a round trip, plan for roughly 08h 35m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 04h 17m.
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.
City in Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny then Chance Rain Showers
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Porter and Saint Joseph.
Turn-by-Turn Driving Directions
Step-by-step road directions between Porter and Saint Joseph.
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1
Start on Franklin Street
121 m · 21 sec · Franklin Street
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2
Turn right onto Wagner Road
684 ft · 21 sec · Wagner Road
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3
Turn left onto East Beam Street
1.3 km · 3 min · East Beam Street
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4
Turn left
1.4 km · 1 min
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5
Take the ramp slight right
2695 ft · 1 min
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6
Merge slight left
9.4 mi · 11 min
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7
Take the exit slight right toward I 65: Gary, Toll Road, Indianapolis
1 km · 52 sec
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8
Keep slight left to continue on I 65 South, I 80 West, I 94 West, US 6 West: Indianapolis, Chicago
618 ft · 10 sec
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9
Keep slight left to continue on I 65 South: Indianapolis
2686 ft · 60 sec
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10
Merge slight left onto Casimir Pulaski Memorial Highway
130 mi · 2 hr 21 min · Casimir Pulaski Memorial Highway
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11
Keep slight left
17.1 mi · 22 min
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12
Continue on I 70 East: Dayton
1.9 mi · 3 min
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13
Keep slight left
94.5 mi · 1 hr 43 min
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14
Take the exit slight right toward Memphis Road
1128 ft · 27 sec
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15
Turn left onto Memphis-Blue Lick Road
1.1 km · 1 min · Memphis-Blue Lick Road
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16
Turn right
2.9 mi · 4 min
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17
Turn right onto Perry Crossing Road
2.7 mi · 7 min · Perry Crossing Road
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18
At the end of the road, turn right onto State Road 60
925 ft · 26 sec · State Road 60
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19
Turn left onto State Road 111
1.8 mi · 3 min · State Road 111
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20
Arrive at your destination
0 m · 1 sec · Grant Line Road
Car Route Details
A richer read on the saved driving route between Porter 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.
Casimir Pulaski Memorial Highway
Merge slight left onto Casimir Pulaski Memorial Highway
130 mi · 02h 21m
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 then Chance Rain Showers leaving Porter and Chance Showers And Thunderstorms near Saint Joseph.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Porter to Saint Joseph?
The road trip is about 265.9 miles (427.9 km) and usually takes 04h 17m 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?
Lebanon is a useful midpoint, sitting about 132.6 miles from Porter and 133.3 miles from Saint Joseph.
How much longer is the road route than the straight-line distance?
The direct path is about 232 miles (373.4 km), while the road route adds roughly 33.9 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 CDT. If you want a more comfortable same-day return, try to leave by 8:24 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.37 one way or $70.74 round trip. Estimated CO2 is about 83.4 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Porter and Saint Joseph, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny then Chance Rain Showers around Porter and Chance Showers And Thunderstorms near Saint Joseph.
Stop Ideas Near Lebanon
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 Lebanon.
Crawfordsville (Bus), Indiana
Crawfordsville
Indianapolis Union Station
Lafayette station
Flight Path Map
This map shows the direct air route between Porter and Saint Joseph. Straight-line distance: 232.04 mi (373.44 km).
#1 Porter
Settlement in Indiana, USA
| Population | 4,840 |
| Coordinates | 41.6155900, -87.0742000 |
| Altitude | 195 |
| 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: 428 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 51m |
| 40 mph (64.37 km/h) | 06h 38m |
| 50 mph (80.47 km/h) | 05h 19m |
| 60 mph (96.56 km/h) | 04h 25m |
| 70 mph (112.65 km/h) | 03h 47m |
| 80 mph (129 km/h) | 03h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $35.37 | $70.74 |
| Mid-grade | $4.25 | $39.89 | $79.79 |
| Premium | $4.65 | $43.65 | $87.31 |
| Diesel | $5.30 | $49.75 | $99.50 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.