How far is Walnut, IN from Portage, IN?
The driving distance from Walnut, IN to Portage, IN is about 71 miles (114.2 km), with a travel time of about 01h 21m by car.
- The straight-line flight distance is about 57.1 miles (91.9 km).
- For a round trip, plan for roughly 02h 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 01h 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.
Census-designated place in LaPorte County, Indiana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Areas Of Frost then Sunny
Driving Route Map
The map below follows the saved road route between Walnut and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Walnut and Portage.
-
1
Start on 20 C Road
2317 ft · 2 min · 20 C Road
-
2
At the end of the road, turn left onto South Iris Road
1377 ft · 1 min · South Iris Road
-
3
Turn right onto State Road 110
1.1 mi · 2 min · State Road 110
-
4
Turn right
12.6 mi · 16 min
-
5
Take the exit slight right toward US 30 West: Valparaiso
1453 ft · 49 sec
-
6
Merge slight left
40.3 mi · 52 min
-
7
Take the exit slight right toward SR 49 North, SR 2 East: Valparaiso, Chesterton
9.2 mi · 13 min
-
8
Turn left onto I 80, I 90: Toll Road
120 m · 10 sec
-
9
Continue straight
757 ft · 18 sec
-
10
Continue on I 80, I 90: Toll Road
125 m · 10 sec
-
11
Keep slight right to continue on I 80 West, I 90 West: Chicago
1246 ft · 31 sec
-
12
Merge slight left onto Indiana Toll Road
6.5 mi · 8 min · Indiana Toll Road
-
13
Take the exit slight right toward Portage
3121 ft · 1 min
-
14
Keep slight left
47 m · 11 sec
-
15
Turn left onto Willowcreek Road
3071 ft · 1 min · Willowcreek Road
-
16
Turn left onto Central Avenue
1906 ft · 50 sec · Central Avenue
-
17
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Walnut and Portage.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 30 West
Merge slight left
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.
Mostly Sunny leaving Walnut and Areas Of Frost then Sunny near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Walnut to Portage?
The road trip is about 71 miles (114.2 km) and usually takes 01h 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?
Hanna is a useful midpoint, sitting about 36.4 miles from Walnut and 34.6 miles from Portage.
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 13.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.43 one way or $18.86 round trip. Estimated CO2 is about 22.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Walnut and Portage, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Walnut and Areas Of Frost then Sunny near Portage.
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 Walnut and Portage. Straight-line distance: 57.11 mi (91.91 km).
#1 Walnut
Unincorporated community in Marshall County, Indiana
| Population | 1,383 |
| Coordinates | 41.1761500, -86.2119500 |
| Altitude | 260 |
| Country | United States |
#2 Portage
The second most populous city in Porter County, Indiana.
| Population | 90,543 |
| Coordinates | 41.5758700, -87.1761500 |
| Altitude | 194 |
| Country | United States |
End: Central Avenue (-87.17615, 41.575874)
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 25m |
| 60 mph (96.56 km/h) | 01h 10m |
| 70 mph (112.65 km/h) | 01h 00m |
| 80 mph (129 km/h) | 00h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $9.43 | $18.86 |
| Mid-grade | $4.25 | $10.63 | $21.27 |
| Premium | $4.65 | $11.64 | $23.27 |
| Diesel | $5.30 | $13.26 | $26.52 |
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.