How far is Cass, IN from Portage, IN?
The driving distance from Cass, IN to Portage, IN is about 203.8 miles (328 km), with a travel time of about 03h 36m by car.
- The straight-line flight distance is about 172.1 miles (276.9 km).
- For a round trip, plan for roughly 07h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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 03h 36m.
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.
Chance Showers And Thunderstorms
Sunny then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Cass and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cass and Portage.
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1
Start on Cass Washington Street
953 ft · 42 sec · Cass Washington Street
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2
Continue on South County Road 700 East
1.1 km · 3 min · South County Road 700 East
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3
Turn right onto East County Road 50 South
1451 ft · 1 min · East County Road 50 South
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4
Turn straight
6.8 mi · 9 min
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5
At the end of the road, turn left
775 ft · 14 sec
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6
Turn right
867 ft · 15 sec
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7
Turn right
30 mi · 46 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 Cass 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.
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.
Chance Showers And Thunderstorms leaving Cass and Sunny then Chance Rain Showers near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cass to Portage?
The road trip is about 203.8 miles (328 km) and usually takes 03h 36m 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 102.2 miles from Cass and 101.6 miles from Portage.
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 31.7 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 EDT. If you want a more comfortable same-day return, try to leave by 9:46 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.11 one way or $54.23 round trip. Estimated CO2 is about 63.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Cass and Portage, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Cass and Sunny then Chance Rain Showers near Portage.
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 Cass and Portage. Straight-line distance: 172.05 mi (276.89 km).
#1 Cass
Unincorporated community in Sullivan County, Minnesota
| Population | 1,791 |
| Coordinates | 39.0869900, -87.2786300 |
| Altitude | 174 |
| 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: 328 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 47m |
| 40 mph (64.37 km/h) | 05h 05m |
| 50 mph (80.47 km/h) | 04h 04m |
| 60 mph (96.56 km/h) | 03h 23m |
| 70 mph (112.65 km/h) | 02h 54m |
| 80 mph (129 km/h) | 02h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $27.11 | $54.23 |
| Mid-grade | $4.25 | $30.58 | $61.16 |
| Premium | $4.65 | $33.46 | $66.92 |
| Diesel | $5.30 | $38.14 | $76.27 |
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.