How far is Portage, IN from Walnut, IN?
The driving distance from Portage, IN to Walnut, IN is about 70.7 miles (113.8 km), with a travel time of about 01h 38m by car.
- The straight-line flight distance is about 57.1 miles (91.9 km).
- For a round trip, plan for roughly 03h 17m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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 01h 38m.
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.
Census-designated place in LaPorte County, Indiana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Frost then Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Portage and Walnut.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portage and Walnut.
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1
Start on Central Avenue
1 km · 1 min · Central Avenue
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2
Turn right onto Airport Road
1.7 mi · 4 min · Airport Road
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3
Turn left
5.9 mi · 9 min
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4
Take the ramp slight right toward SR 49 South: Valparaiso
2031 ft · 56 sec
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5
Merge slight left
6.8 mi · 9 min
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6
Take the exit slight right toward US 30 East: Plymouth
1548 ft · 39 sec
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7
Merge slight left onto East Morthland Drive
40.3 mi · 52 min · East Morthland Drive
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8
Take the exit slight right toward US 31 South
2480 ft · 1 min
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9
Merge slight left
4.1 mi · 5 min
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10
Merge slight left
1.4 km · 1 min
-
11
Turn slight right
156 m · 7 sec
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12
Continue straight
7.2 mi · 9 min
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13
Turn left onto State Road 110
1.1 mi · 2 min · State Road 110
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14
Turn left onto South Iris Road
1377 ft · 1 min · South Iris Road
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15
Turn right onto 20 C Road
2317 ft · 2 min · 20 C Road
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16
Arrive at your destination
0 m · 1 sec · 20 C Road
Car Route Details
A richer read on the saved driving route between Portage and Walnut.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
East Morthland Drive
Merge slight left onto East Morthland Drive
40.3 mi · 00h 52m
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.
Areas Of Frost then Sunny leaving Portage and Mostly Sunny near Walnut.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portage to Walnut?
The road trip is about 70.7 miles (113.8 km) and usually takes 01h 38m 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?
Hanna is a useful midpoint, sitting about 35.3 miles from Portage and 35.4 miles from Walnut.
How much longer is the road route than the straight-line distance?
The direct path is about 57.1 miles (91.9 km), while the road route adds roughly 13.6 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 CDT. If you want a more comfortable same-day return, try to leave by 3:12 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.39 one way or $18.78 round trip. Estimated CO2 is about 22.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Portage and Walnut, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Areas Of Frost then Sunny around Portage and Mostly Sunny near Walnut.
Stop Ideas Near Hanna
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 Hanna.
Michigan City
New Buffalo, Michigan
New Buffalo
Gary, IN
Flight Path Map
This map shows the direct air route between Portage and Walnut. Straight-line distance: 57.11 mi (91.91 km).
#1 Portage
The second most populous city in Porter County, Indiana.
| Population | 90,543 |
| Coordinates | 41.5758700, -87.1761500 |
| Altitude | 194 |
| Country | United States |
#2 Walnut
Unincorporated community in Marshall County, Indiana
| Population | 1,383 |
| Coordinates | 41.1761500, -86.2119500 |
| Altitude | 260 |
| Country | United States |
End: Walnut (-86.21195, 41.17615)
Estimated Travel Time
Distance: 114 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 21m |
| 40 mph (64.37 km/h) | 01h 46m |
| 50 mph (80.47 km/h) | 01h 24m |
| 60 mph (96.56 km/h) | 01h 10m |
| 70 mph (112.65 km/h) | 01h 00m |
| 80 mph (129 km/h) | 00h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $9.39 | $18.78 |
| Mid-grade | $4.25 | $10.59 | $21.18 |
| Premium | $4.65 | $11.59 | $23.18 |
| Diesel | $5.30 | $13.21 | $26.41 |
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 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.