How far is Dunkirk, IN from Portage, IN?
The driving distance from Dunkirk, IN to Portage, IN is about 85.6 miles (137.8 km), with a travel time of about 01h 40m by car.
- The straight-line flight distance is about 69.7 miles (112.2 km).
- For a round trip, plan for roughly 03h 21m 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 40m.
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 Starke County, Indiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Patchy Frost then Rain Likely
Driving Route Map
The map below follows the saved road route between Dunkirk and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dunkirk and Portage.
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1
Start on West Market Street
904 ft · 18 sec · West Market Street
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2
Turn slight right onto US 35 North: LaPorte
1761 ft · 1 min
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3
Turn straight
35.1 mi · 52 min
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4
Turn left onto East 600 S
4 mi · 5 min · East 600 S
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5
Continue on West 600 South
2 mi · 3 min · West 600 South
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6
Turn right onto S 200 W
8.6 mi · 12 min · S 200 W
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7
Continue on State Road 39
4.6 mi · 6 min · State Road 39
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8
Turn left onto Lincoln Highway
15.5 mi · 20 min · Lincoln Highway
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9
Take the exit slight right toward SR 49 North, SR 2 East: Valparaiso, Chesterton
9.2 mi · 13 min
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10
Turn left onto I 80, I 90: Toll Road
120 m · 10 sec
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11
Continue straight
757 ft · 18 sec
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12
Continue on I 80, I 90: Toll Road
125 m · 10 sec
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13
Keep slight right to continue on I 80 West, I 90 West: Chicago
1246 ft · 31 sec
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14
Merge slight left onto Indiana Toll Road
6.5 mi · 8 min · Indiana Toll Road
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15
Take the exit slight right toward Portage
3121 ft · 1 min
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16
Keep slight left
47 m · 11 sec
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17
Turn left onto Willowcreek Road
3071 ft · 1 min · Willowcreek Road
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18
Turn left onto Central Avenue
1906 ft · 50 sec · Central Avenue
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19
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Dunkirk and Portage.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn straight
35.1 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 Dunkirk and Patchy Frost then Rain Likely near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dunkirk to Portage?
The road trip is about 85.6 miles (137.8 km) and usually takes 01h 40m 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?
North Judson is a useful midpoint, sitting about 44.1 miles from Dunkirk and 41.6 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 69.7 miles (112.2 km), while the road route adds roughly 15.9 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 3:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.39 one way or $22.78 round trip. Estimated CO2 is about 26.8 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Dunkirk 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 Dunkirk and Patchy Frost then Rain Likely near Portage.
Stop Ideas Near North Judson
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 North Judson.
Rensselaer
Michigan City
Gary, IN
New Buffalo, Michigan
Flight Path Map
This map shows the direct air route between Dunkirk and Portage. Straight-line distance: 69.73 mi (112.22 km).
#1 Dunkirk
Unincorporated community in Cass County, Indiana, United States
| Population | 2,249 |
| Coordinates | 40.7564300, -86.3936100 |
| Altitude | 184 |
| 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: 138 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 51m |
| 40 mph (64.37 km/h) | 02h 08m |
| 50 mph (80.47 km/h) | 01h 42m |
| 60 mph (96.56 km/h) | 01h 25m |
| 70 mph (112.65 km/h) | 01h 13m |
| 80 mph (129 km/h) | 01h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.39 | $22.78 |
| Mid-grade | $4.25 | $12.84 | $25.69 |
| Premium | $4.65 | $14.06 | $28.11 |
| Diesel | $5.30 | $16.02 | $32.04 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.