How far is Union, IN from Portage, IN?
The driving distance from Union, IN to Portage, IN is about 251.5 miles (404.7 km), with a travel time of about 04h 31m by car.
- The straight-line flight distance is about 215.4 miles (346.6 km).
- For a round trip, plan for roughly 09h 02m 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 04h 31m.
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.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Union and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Portage.
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1
Start on the route
23 m · 7 sec
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2
Turn left onto North County Road 850 West
1.3 mi · 5 min · North County Road 850 West
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3
Turn left
3.6 mi · 6 min
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4
At the end of the road, turn left
2.6 mi · 5 min
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5
Turn left
1619 ft · 33 sec
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6
Continue on Trippet Road
2880 ft · 59 sec · Trippet Road
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7
Turn left onto East 2nd Street
1901 ft · 38 sec · East 2nd Street
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8
Continue on East 1st Street
1670 ft · 39 sec · East 1st Street
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9
Turn left onto North Main Street
135 m · 11 sec · North Main Street
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10
Turn right onto West 2nd Street
143 m · 15 sec · West 2nd Street
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11
Turn left onto South Mill Street
881 ft · 18 sec · South Mill Street
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12
Continue on South Street
1192 ft · 30 sec · South Street
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13
At the end of the road, turn left
1.3 mi · 2 min
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14
Turn right
16.4 mi · 18 min
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15
Take the exit slight right toward US 41 North, US 150: Terre Haute
57.7 mi · 1 hr 18 min
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16
Turn straight onto Chicago
63.3 mi · 1 hr 21 min
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17
Continue straight
47.3 mi · 1 hr
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18
Turn right onto State Road 14
9.5 mi · 13 min · State Road 14
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19
Take the ramp left
2584 ft · 1 min
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20
Merge slight left
38.5 mi · 43 min
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21
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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22
Keep slight right to continue on Central Avenue
1760 ft · 38 sec
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23
Turn right onto Central Avenue
4.3 mi · 9 min · Central Avenue
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24
Continue on Central Avenue
1.4 mi · 3 min · Central Avenue
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25
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Union 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.
Sunny leaving Union and Mostly Sunny near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Portage?
The road trip is about 251.5 miles (404.7 km) and usually takes 04h 31m 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?
Perrysville is a useful midpoint, sitting about 125.6 miles from Union and 125.8 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 215.4 miles (346.6 km), while the road route adds roughly 36.1 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 7:58 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.45 one way or $66.90 round trip. Estimated CO2 is about 78.8 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Union and Portage, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Union and Mostly Sunny near Portage.
Stop Ideas Near Perrysville
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 Perrysville.
Danville, Illinois
Crawfordsville (Bus), Indiana
Crawfordsville
Lafayette station
Flight Path Map
This map shows the direct air route between Union and Portage. Straight-line distance: 215.35 mi (346.58 km).
#1 Union
City in Indiana, United States of America
| Population | 2,160 |
| Coordinates | 38.4653300, -87.4347400 |
| Altitude | 143 |
| 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: 405 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 22m |
| 40 mph (64.37 km/h) | 06h 17m |
| 50 mph (80.47 km/h) | 05h 01m |
| 60 mph (96.56 km/h) | 04h 11m |
| 70 mph (112.65 km/h) | 03h 35m |
| 80 mph (129 km/h) | 03h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $33.45 | $66.90 |
| Mid-grade | $4.25 | $37.72 | $75.45 |
| Premium | $4.65 | $41.28 | $82.56 |
| Diesel | $5.30 | $47.05 | $94.09 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.