How far is Marion, IN from Portage, IN?
The driving distance from Marion, IN to Portage, IN is about 136 miles (218.8 km), with a travel time of about 02h 42m by car.
- The straight-line flight distance is about 105.8 miles (170.2 km).
- For a round trip, plan for roughly 05h 25m 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 42m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Isolated Rain Showers
Chance Drizzle
Driving Route Map
The map below follows the saved road route between Marion and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marion and Portage.
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1
Start on East 3rd Street
1 km · 49 sec · East 3rd Street
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2
Continue on West Delphi Avenue
939 ft · 14 sec · West Delphi Avenue
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3
Continue on West 2nd Street
148 m · 10 sec · West 2nd Street
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4
Turn right onto South Baldwin Avenue
1.1 mi · 1 min · South Baldwin Avenue
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5
Turn left onto North Wabash Avenue
2919 ft · 50 sec · North Wabash Avenue
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6
Continue on North Wabash Road
4.8 mi · 7 min · North Wabash Road
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7
Continue on County Road 187 West
2304 ft · 39 sec · County Road 187 West
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8
Continue on South Wabash Street
11.8 mi · 18 min · South Wabash Street
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9
Turn left onto West Market Street
957 ft · 22 sec · West Market Street
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10
Turn right onto South Cass Street
1.5 mi · 2 min · South Cass Street
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11
Continue on North Cass Street
1.3 km · 1 min · North Cass Street
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12
Continue on County Road 500 West
2271 ft · 38 sec · County Road 500 West
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13
Continue on North 500 West
6.4 mi · 10 min · North 500 West
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14
Turn left onto State Road 16
3.1 mi · 5 min · State Road 16
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15
Continue on East 1000 North
11.1 mi · 16 min · East 1000 North
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16
Turn right
32.9 mi · 41 min
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17
Take the exit slight right toward US 30 West: Valparaiso
1453 ft · 49 sec
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18
Merge slight left
40.3 mi · 52 min
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19
Take the exit slight right toward SR 49 North, SR 2 East: Valparaiso, Chesterton
9.2 mi · 13 min
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20
Turn left onto I 80, I 90: Toll Road
120 m · 10 sec
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21
Continue straight
757 ft · 18 sec
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22
Continue on I 80, I 90: Toll Road
125 m · 10 sec
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23
Keep slight right to continue on I 80 West, I 90 West: Chicago
1246 ft · 31 sec
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24
Merge slight left onto Indiana Toll Road
6.5 mi · 8 min · Indiana Toll Road
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25
Take the exit slight right toward Portage
3121 ft · 1 min
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26
Keep slight left
47 m · 11 sec
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27
Turn left onto Willowcreek Road
3071 ft · 1 min · Willowcreek Road
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28
Turn left onto Central Avenue
1906 ft · 50 sec · Central Avenue
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29
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Marion and Portage.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
US 30 West
Merge slight left
40.3 mi · 00h 52m
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.
Isolated Rain Showers leaving Marion 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 Marion to Portage?
The road trip is about 136 miles (218.8 km) and usually takes 02h 42m 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?
Argos is a useful midpoint, sitting about 67.1 miles from Marion and 68.8 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 105.8 miles (170.2 km), while the road route adds roughly 30.2 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 1:04 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.84 one way or $35.67 round trip. Estimated CO2 is about 42.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Marion and Portage, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Isolated Rain Showers around Marion and Chance Drizzle near Portage.
Stop Ideas Near Argos
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 Argos.
South Bend station
Elkhart station
Niles station
New Buffalo, Michigan
Flight Path Map
This map shows the direct air route between Marion and Portage. Straight-line distance: 105.77 mi (170.22 km).
#1 Marion
Marion is a place in Indiana, United States.
| Population | 0 |
| Coordinates | 40.5583700, -85.6591400 |
| Altitude | 247 |
| 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: 219 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 31m |
| 40 mph (64.37 km/h) | 03h 23m |
| 50 mph (80.47 km/h) | 02h 43m |
| 60 mph (96.56 km/h) | 02h 15m |
| 70 mph (112.65 km/h) | 01h 56m |
| 80 mph (129 km/h) | 01h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.72 | $17.84 | $35.67 |
| Mid-grade | $4.32 | $20.75 | $41.50 |
| Premium | $4.85 | $23.26 | $46.52 |
| Diesel | $6.71 | $32.22 | $64.44 |
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