How far is Johnson, IN from Portage, IN?
The driving distance from Johnson, IN to Portage, IN is about 265.1 miles (426.6 km), with a travel time of about 04h 38m by car.
- The straight-line flight distance is about 229.8 miles (369.9 km).
- For a round trip, plan for roughly 09h 17m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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 38m.
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.
Chance Drizzle
Driving Route Map
The map below follows the saved road route between Johnson and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Johnson and Portage.
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1
Start on West Creek 970
142 m · 25 sec · West Creek 970
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2
At the end of the road, turn right onto State Road 165
3.1 mi · 5 min · State Road 165
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3
Continue on West Brumitt Street
1429 ft · 34 sec · West Brumitt Street
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4
Turn left onto North 1st Street
1899 ft · 38 sec · North 1st Street
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5
Continue on State Road 65
5.4 mi · 10 min · State Road 65
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6
Turn right onto West Broadway Street
4.9 mi · 7 min · West Broadway Street
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7
Take the ramp slight right
1213 ft · 34 sec
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8
Merge slight left
25.3 mi · 29 min
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9
Take the exit slight right toward US 41 North, US 150: Terre Haute
57.7 mi · 1 hr 18 min
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10
Turn straight onto Chicago
63.3 mi · 1 hr 21 min
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11
Continue straight
47.3 mi · 1 hr
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12
Turn right onto State Road 14
9.5 mi · 13 min · State Road 14
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13
Take the ramp left
2584 ft · 1 min
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14
Merge slight left
38.5 mi · 43 min
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15
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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16
Keep slight right to continue on Central Avenue
1760 ft · 38 sec
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17
Turn right onto Central Avenue
4.3 mi · 9 min · Central Avenue
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18
Continue on Central Avenue
1.4 mi · 3 min · 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 Johnson 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.
Mostly Cloudy leaving Johnson and Chance Drizzle near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Johnson to Portage?
The road trip is about 265.1 miles (426.6 km) and usually takes 04h 38m 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?
Cayuga is a useful midpoint, sitting about 131.7 miles from Johnson and 133.3 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 229.8 miles (369.9 km), while the road route adds roughly 35.3 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 CST. If you want a more comfortable same-day return, try to leave by 7:42 AM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.74 one way or $69.49 round trip. Estimated CO2 is about 83.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Johnson and Chance Drizzle near Portage.
Stop Ideas Near Cayuga
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 Cayuga.
Danville, Illinois
Crawfordsville (Bus), Indiana
Crawfordsville
Illinois Terminal
Flight Path Map
This map shows the direct air route between Johnson and Portage. Straight-line distance: 229.86 mi (369.93 km).
#1 Johnson
City in Gibson County, Indiana, United States of America
| Population | 196 |
| Coordinates | 38.2778200, -87.7458600 |
| Altitude | 131 |
| 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: 427 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 49m |
| 40 mph (64.37 km/h) | 06h 37m |
| 50 mph (80.47 km/h) | 05h 18m |
| 60 mph (96.56 km/h) | 04h 25m |
| 70 mph (112.65 km/h) | 03h 47m |
| 80 mph (129 km/h) | 03h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.72 | $34.74 | $69.49 |
| Mid-grade | $4.32 | $40.42 | $80.84 |
| Premium | $4.85 | $45.31 | $90.62 |
| Diesel | $6.71 | $62.76 | $125.51 |
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 06, 2026