How far is Portage, IN from Dunkirk, IN?

The driving distance from Portage, IN to Dunkirk, IN is about 85.7 miles (137.9 km), with a travel time of about 02h 06m by car.

  • The straight-line flight distance is about 69.7 miles (112.2 km).
  • For a round trip, plan for roughly 04h 12m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
85.66 mi
02h 06m
Flight
69.73 mi
112.22 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Portage.

Flight Distance

Direct air line
69.73 mi
Kilometers
112.22 km
Flight Time
00h 08m

Driving Distance

Road route
85.66 mi
Kilometers
137.86 km
Drive Time
02h 06m

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 06m.

Arrival Snapshot
Arrive in Dunkirk
Wed, May 13, 12:08 AM EDT
Return by in Portage
Wed, May 13, 1:14 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Portage
2026-05-12T21:01
Arrive Dunkirk
Tue, May 12, 11:08 PM CDT
Route Timing
02h 06m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
11:06 AM to 1:06 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:18 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Portage
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Knox
IN

City in Center Township, Starke County, Indiana, United States

From Portage
42.8 mi
01h 03m
To Dunkirk
42.9 mi
01h 03m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
78°F
Tuesday

Patchy Frost then Rain Likely

Starts
Tue, May 12 6:00 AM CDT
Wind
10 to 20 mph S
Destination
73°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
5 to 20 mph S

Driving Route Map

The map below follows the saved road route between Portage and Dunkirk.

Turn-by-Turn Driving Directions

Step-by-step road directions between Portage and Dunkirk.

  1. 1

    Start on Central Avenue

    1 km · 1 min · Central Avenue

  2. 2

    Turn right onto Airport Road

    1.7 mi · 4 min · Airport Road

  3. 3

    Turn left

    5.9 mi · 9 min

  4. 4

    Take the ramp slight right toward SR 49 South: Valparaiso

    2031 ft · 56 sec

  5. 5

    Merge slight left

    6.8 mi · 9 min

  6. 6

    Take the exit slight right toward US 30 East: Plymouth

    1548 ft · 39 sec

  7. 7

    Merge slight left onto East Morthland Drive

    21.6 mi · 28 min · East Morthland Drive

  8. 8

    Take the exit slight right

    949 ft · 26 sec

  9. 9

    Keep slight right

    740 ft · 20 sec

  10. 10

    Turn straight onto North 400 East

    6.2 mi · 9 min · North 400 East

  11. 11

    Continue on North Heaton Street

    2.1 mi · 4 min · North Heaton Street

  12. 12

    Continue on South 400 E

    3.9 mi · 5 min · South 400 E

  13. 13

    Continue on S 400 E

    1.4 mi · 2 min · S 400 E

  14. 14

    Continue on South 400 East

    11.3 mi · 17 min · South 400 East

  15. 15

    Continue on South Huddleston Road

    22.4 mi · 33 min · South Huddleston Road

  16. 16

    Turn slight right onto US 24 Business, US 24 West: Logansport, Monticello

    1714 ft · 1 min

  17. 17

    Turn straight

    68 m · 9 sec

  18. 18

    Turn left onto US 24 Business: Logansport

    1825 ft · 34 sec

  19. 19

    Arrive at your destination

    0 m · 1 sec · West Market Street

Car Route Details

A richer read on the saved driving route between Portage and Dunkirk.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
19 steps
6 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
22.2 / 100 mi
Decision points by distance
Main Roads
South Huddleston Road
22.4 mi · 26%
East Morthland Drive
21.9 mi · 26%
South 400 East
11.3 mi · 13%
SR 49 South
7.22 mi · 8%
North 400 East
6.21 mi · 7%
South 400 E
3.85 mi · 4%
Longest Stretch

South Huddleston Road

Continue on South Huddleston Road

22.4 mi · 00h 33m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 06m
Day trip friendly
Same-Day Return
04h 12m
Round-trip wheel time
Road vs Air
+16 mi
69.7 mi direct line
Halfway Stop
Knox
01h 03m from Portage
Leave By
2:18 PM CDT
Morning start is best
Weather Watch

Patchy Frost then Rain Likely leaving Portage and Mostly Sunny near Dunkirk.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Portage to Dunkirk?

The road trip is about 85.7 miles (137.9 km) and usually takes 02h 06m 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?

Knox is a useful midpoint, sitting about 42.8 miles from Portage and 42.9 miles from Dunkirk.

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 16 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 2:18 PM CDT.

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 Portage and Dunkirk, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Patchy Frost then Rain Likely around Portage and Mostly Sunny near Dunkirk.

Flight Path Map

This map shows the direct air route between Portage and Dunkirk. Straight-line distance: 69.73 mi (112.22 km).

Portage

#1 Portage

The second most populous city in Porter County, Indiana.

Population90,543
Coordinates41.5758700, -87.1761500
Altitude194
CountryUnited States
Photo coming soon

#2 Dunkirk

Unincorporated community in Cass County, Indiana, United States

Population2,249
Coordinates40.7564300, -86.3936100
Altitude184
CountryUnited States
Start: Portage (-87.17615, 41.57587)
End: Dunkirk (-86.39361, 40.75643)

Estimated Travel Time

Distance: 138 km by road

SpeedTime
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.

One-way fuel
3.02 gal
11.44 L · about $11.39
Round trip
$22.78
6.04 gal · 22.88 L
Estimated CO2
26.8 kg one way
Round trip: 53.7 kg / 118 lb CO2, using regular gasoline.
Fuel$/galOne wayRound 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

Please keep in mind that there is a 1 hour time gap between Portage, IN and Dunkirk, IN. The current time in Portage is 21:01:51, although it is 22:01:51 in Dunkirk.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.