How far is Allen, IN from Portage, IN?
The driving distance from Allen, IN to Portage, IN is about 118.8 miles (191.2 km), with a travel time of about 02h 24m by car.
- The straight-line flight distance is about 105.9 miles (170.4 km).
- For a round trip, plan for roughly 04h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 02h 24m.
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 Marshall County, Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Allen and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allen and Portage.
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1
Start on the route
1039 ft · 1 min
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2
Turn right
592 ft · 45 sec
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3
At the end of the road, turn right onto Bethel Road
2901 ft · 1 min · Bethel Road
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4
Turn right onto Carroll Road
5.4 mi · 10 min · Carroll Road
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5
Turn right
3.3 mi · 4 min
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6
Turn left onto West Whitley Street
2280 ft · 39 sec · West Whitley Street
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7
Continue on West Whitley Street
1109 ft · 19 sec · West Whitley Street
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8
Continue on Johnson Road
8.5 mi · 13 min · Johnson Road
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9
Turn right
86.1 mi · 1 hr 53 min
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10
Take the exit slight right toward SR 49 North, SR 2 East: Valparaiso, Chesterton
9.2 mi · 13 min
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11
Turn left onto I 80, I 90: Toll Road
120 m · 10 sec
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12
Continue straight
757 ft · 18 sec
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13
Continue on I 80, I 90: Toll Road
125 m · 10 sec
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14
Keep slight right to continue on I 80 West, I 90 West: Chicago
1246 ft · 31 sec
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15
Merge slight left onto Indiana Toll Road
6.5 mi · 8 min · Indiana Toll Road
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16
Take the exit slight right toward Portage
3121 ft · 1 min
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17
Keep slight left
47 m · 11 sec
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18
Turn left onto Willowcreek Road
3071 ft · 1 min · Willowcreek Road
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19
Turn left onto Central Avenue
1906 ft · 50 sec · Central Avenue
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20
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Allen 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 right
86.1 mi · 01h 53m
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.
Sunny leaving Allen and Sunny near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allen to Portage?
The road trip is about 118.8 miles (191.2 km) and usually takes 02h 24m 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?
Plymouth is a useful midpoint, sitting about 61.1 miles from Allen and 57.7 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 105.9 miles (170.4 km), while the road route adds roughly 12.9 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 EST. If you want a more comfortable same-day return, try to leave by 1:42 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.17 one way or $30.34 round trip. Estimated CO2 is about 37.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Allen and Portage, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Allen and Sunny near Portage.
Stop Ideas Near Plymouth
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 Plymouth.
South Bend station
Elkhart station
Niles station
New Buffalo, Michigan
Flight Path Map
This map shows the direct air route between Allen and Portage. Straight-line distance: 105.89 mi (170.41 km).
#1 Allen
Unincorporated community in Indiana, United States
| Population | 666 |
| Coordinates | 41.2000500, -85.1958100 |
| Altitude | 256 |
| 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: 191 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 57m |
| 40 mph (64.37 km/h) | 02h 58m |
| 50 mph (80.47 km/h) | 02h 22m |
| 60 mph (96.56 km/h) | 01h 58m |
| 70 mph (112.65 km/h) | 01h 41m |
| 80 mph (129 km/h) | 01h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.62 | $15.17 | $30.34 |
| Mid-grade | $4.22 | $17.70 | $35.40 |
| Premium | $4.76 | $19.94 | $39.88 |
| Diesel | $6.63 | $27.80 | $55.59 |
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 · Nov 09, 2026