How far is Armstrong, IN from Portage, IN?
The driving distance from Armstrong, IN to Portage, IN is about 276.7 miles (445.3 km), with a travel time of about 04h 49m by car.
- The straight-line flight distance is about 240.8 miles (387.6 km).
- For a round trip, plan for roughly 09h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 49m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Town in Indiana, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Frost then Rain Likely
Driving Route Map
The map below follows the saved road route between Armstrong and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Armstrong and Portage.
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1
Start on Armstrong Road
6 m · 2 sec · Armstrong Road
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2
Turn right onto Cynthiana Road
4.3 mi · 8 min · Cynthiana Road
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3
Take the ramp right
2054 ft · 50 sec
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4
Merge slight left
7 mi · 7 min
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5
Take the exit slight right toward US 41 North: Terre Haute
1407 ft · 48 sec
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6
Merge slight left
39.2 mi · 46 min
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7
Take the exit slight right toward US 41 North, US 150: Terre Haute
57.7 mi · 1 hr 18 min
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8
Turn straight onto Chicago
63.3 mi · 1 hr 21 min
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9
Continue straight
47.3 mi · 1 hr
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10
Turn right onto State Road 14
9.5 mi · 13 min · State Road 14
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11
Take the ramp left
2584 ft · 1 min
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12
Merge slight left
38.5 mi · 43 min
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13
Take the exit slight right toward I 80 East, I 94 East, US 6 East: Toledo, Detroit
1.4 km · 1 min
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14
Keep slight right to continue on Central Avenue
1760 ft · 38 sec
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15
Turn right onto Central Avenue
4.3 mi · 9 min · Central Avenue
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16
Continue on Central Avenue
1.4 mi · 3 min · Central Avenue
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17
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Armstrong and Portage.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Chicago
Turn straight onto Chicago
63.3 mi · 01h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Armstrong 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 Armstrong to Portage?
The road trip is about 276.7 miles (445.3 km) and usually takes 04h 49m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Newport is a useful midpoint, sitting about 137.6 miles from Armstrong and 139.1 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 240.8 miles (387.6 km), while the road route adds roughly 35.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:22 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.80 one way or $73.61 round trip. Estimated CO2 is about 86.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Armstrong and Patchy Frost then Rain Likely near Portage.
Stop Ideas Near Newport
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 Newport.
Danville, Illinois
Crawfordsville
Crawfordsville (Bus), Indiana
Lafayette station
Flight Path Map
This map shows the direct air route between Armstrong and Portage. Straight-line distance: 240.82 mi (387.57 km).
#1 Armstrong
Unincorporated community in Armstrong Township, Vanderburgh County, Indiana
| Population | 1,632 |
| Coordinates | 38.1092100, -87.6472400 |
| Altitude | 143 |
| 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: 445 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 13m |
| 40 mph (64.37 km/h) | 06h 55m |
| 50 mph (80.47 km/h) | 05h 32m |
| 60 mph (96.56 km/h) | 04h 36m |
| 70 mph (112.65 km/h) | 03h 57m |
| 80 mph (129 km/h) | 03h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $36.80 | $73.61 |
| Mid-grade | $4.25 | $41.51 | $83.02 |
| Premium | $4.65 | $45.42 | $90.85 |
| Diesel | $5.30 | $51.77 | $103.53 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.