How far is Portage, IN from Cass, IN?
The driving distance from Portage, IN to Cass, IN is about 205.8 miles (331.2 km), with a travel time of about 04h 30m by car.
- The straight-line flight distance is about 172.1 miles (276.9 km).
- For a round trip, plan for roughly 09h 01m 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 30m.
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.
County seat in Indiana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny then Chance Rain Showers
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Portage and Cass.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portage and Cass.
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1
Start on Central Avenue
1861 ft · 53 sec · Central Avenue
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2
Turn right onto Willowcreek Road
2930 ft · 1 min · Willowcreek Road
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3
Take the ramp slight right toward I 80, I 90
132 m · 12 sec
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4
Keep slight right
673 ft · 16 sec
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5
Continue straight
1945 ft · 47 sec
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6
Merge slight left onto Indiana Toll Road
2.6 mi · 3 min · Indiana Toll Road
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7
Take the exit slight right toward I 80 West, I 94, US 6: Des Moines
3216 ft · 1 min
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8
Keep slight right to continue on I 94 West, I 80 West, SR 51, US 6 East
543 ft · 13 sec
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9
Keep slight left to continue on I 94 West, I 80 West
2.9 mi · 4 min
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10
Take the exit slight right toward I 65: Gary, Toll Road, Indianapolis
1 km · 52 sec
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11
Keep slight left to continue on I 65 South, I 80 West, I 94 West, US 6 West: Indianapolis, Chicago
618 ft · 10 sec
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12
Keep slight left to continue on I 65 South: Indianapolis
2686 ft · 60 sec
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13
Merge slight left onto Casimir Pulaski Memorial Highway
38.5 mi · 43 min · Casimir Pulaski Memorial Highway
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14
Take the exit slight right toward SR 14: Winamac
2432 ft · 46 sec
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15
Turn right onto State Road 14
9.2 mi · 13 min · State Road 14
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16
Turn left
25.5 mi · 33 min
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17
Keep slight left
21.6 mi · 27 min
-
18
Continue straight
63.4 mi · 1 hr 21 min
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19
Continue straight
30 mi · 46 min
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20
Turn left
969 ft · 18 sec
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21
At the end of the road, turn left
775 ft · 15 sec
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22
Continue straight
6.8 mi · 9 min
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23
Turn slight left onto East County Road 50 South
1451 ft · 1 min · East County Road 50 South
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24
Turn left onto South County Road 700 East
1.1 km · 3 min · South County Road 700 East
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25
Continue on Cass Washington Street
953 ft · 42 sec · Cass Washington Street
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26
Arrive at your destination
0 m · 1 sec · Cass Washington Street
Car Route Details
A richer read on the saved driving route between Portage and Cass.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
State Road 14
Continue straight
63.4 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 then Chance Rain Showers leaving Portage and Chance Showers And Thunderstorms near Cass.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portage to Cass?
The road trip is about 205.8 miles (331.2 km) and usually takes 04h 30m 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?
Williamsport is a useful midpoint, sitting about 103 miles from Portage and 102.8 miles from Cass.
How much longer is the road route than the straight-line distance?
The direct path is about 172.1 miles (276.9 km), while the road route adds roughly 33.7 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 7:58 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.38 one way or $54.75 round trip. Estimated CO2 is about 64.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Portage and Cass, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny then Chance Rain Showers around Portage and Chance Showers And Thunderstorms near Cass.
Stop Ideas Near Williamsport
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 Williamsport.
Danville, Illinois
Lafayette station
Crawfordsville (Bus), Indiana
Crawfordsville
Flight Path Map
This map shows the direct air route between Portage and Cass. Straight-line distance: 172.05 mi (276.89 km).
#1 Portage
The second most populous city in Porter County, Indiana.
| Population | 90,543 |
| Coordinates | 41.5758700, -87.1761500 |
| Altitude | 194 |
| Country | United States |
#2 Cass
Unincorporated community in Sullivan County, Minnesota
| Population | 1,791 |
| Coordinates | 39.0869900, -87.2786300 |
| Altitude | 174 |
| Country | United States |
End: Cass (-87.27863, 39.08699)
Estimated Travel Time
Distance: 331 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 51m |
| 40 mph (64.37 km/h) | 05h 08m |
| 50 mph (80.47 km/h) | 04h 06m |
| 60 mph (96.56 km/h) | 03h 25m |
| 70 mph (112.65 km/h) | 02h 56m |
| 80 mph (129 km/h) | 02h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $27.38 | $54.75 |
| Mid-grade | $4.25 | $30.88 | $61.75 |
| Premium | $4.65 | $33.79 | $67.58 |
| Diesel | $5.30 | $38.51 | $77.01 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.