How far is Oak Grove, IN from Portage, IN?
The driving distance from Oak Grove, IN to Portage, IN is about 313.7 miles (504.8 km), with a travel time of about 05h 36m by car.
- The straight-line flight distance is about 262.3 miles (422.1 km).
- For a round trip, plan for roughly 11h 13m 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 05h 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.
Human settlement in Vermillion County, Indiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain And Snow Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Oak Grove and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Oak Grove and Portage.
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1
Start on Oak Grove Road
1.4 mi · 5 min · Oak Grove Road
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2
At the end of the road, turn left onto Bonebank Road
3.6 mi · 14 min · Bonebank Road
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3
At the end of the road, turn right onto Spencer Ditch Road
1.2 km · 3 min · Spencer Ditch Road
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4
Turn left
3.6 mi · 6 min
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5
At the end of the road, turn right
22.9 mi · 26 min
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6
Take the exit slight right toward US 41 North
1.3 mi · 3 min
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7
Continue straight
51.4 mi · 1 hr 3 min
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8
Take the exit slight right toward US 41 North, US 150: Terre Haute
57.7 mi · 1 hr 18 min
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9
Turn straight onto Chicago
63.3 mi · 1 hr 21 min
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10
Continue straight
47.3 mi · 1 hr
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11
Turn right onto State Road 14
9.5 mi · 13 min · State Road 14
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12
Take the ramp left
2584 ft · 1 min
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13
Merge slight left
38.5 mi · 43 min
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14
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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15
Keep slight right to continue on Central Avenue
1760 ft · 38 sec
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16
Turn right onto Central Avenue
4.3 mi · 9 min · Central Avenue
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17
Continue on Central Avenue
1.4 mi · 3 min · Central Avenue
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18
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Oak Grove and Portage.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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 Oak Grove and Slight Chance Rain And Snow Showers then Mostly Sunny near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Oak Grove to Portage?
The road trip is about 313.7 miles (504.8 km) and usually takes 05h 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?
Fairview Park is a useful midpoint, sitting about 154.5 miles from Oak Grove and 159.2 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 262.3 miles (422.1 km), while the road route adds roughly 51.4 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 5:46 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $41.74 one way or $83.49 round trip. Estimated CO2 is about 98.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Oak Grove and Slight Chance Rain And Snow Showers then Mostly Sunny near Portage.
Stop Ideas Near Fairview Park
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 Fairview Park.
Danville, Illinois
Crawfordsville
Crawfordsville (Bus), Indiana
Illinois Terminal
Flight Path Map
This map shows the direct air route between Oak Grove and Portage. Straight-line distance: 262.26 mi (422.07 km).
#1 Oak Grove
Township in Benton County, Indiana
| Population | 1,565 |
| Coordinates | 37.8361600, -88.0217000 |
| Altitude | 110 |
| 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: 505 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 27m |
| 40 mph (64.37 km/h) | 07h 50m |
| 50 mph (80.47 km/h) | 06h 16m |
| 60 mph (96.56 km/h) | 05h 13m |
| 70 mph (112.65 km/h) | 04h 28m |
| 80 mph (129 km/h) | 03h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $41.74 | $83.49 |
| Mid-grade | $4.25 | $47.08 | $94.16 |
| Premium | $4.65 | $51.52 | $103.04 |
| Diesel | $5.30 | $58.72 | $117.43 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.