How far is Portage, IN from Union, IN?
The driving distance from Portage, IN to Union, IN is about 287.8 miles (463.1 km), with a travel time of about 05h 29m by car.
- The straight-line flight distance is about 215.4 miles (346.6 km).
- For a round trip, plan for roughly 10h 58m 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 29m.
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.
Town of Indiana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Portage and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portage and Union.
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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
-
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
130 mi · 2 hr 21 min · Casimir Pulaski Memorial Highway
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14
Keep slight left
5.9 mi · 7 min
-
15
Take the exit slight right toward I 465 South
1210 ft · 30 sec
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16
Continue on I 465 South
1 km · 1 min
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17
Merge slight left
13.7 mi · 16 min
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18
Take the exit slight right toward I 69 South: Evansville
1.3 km · 2 min
-
19
Continue straight
47.5 mi · 53 min
-
20
Keep slight left to continue on I 69 South: Evansville
68.2 mi · 1 hr 13 min
-
21
Take the exit slight right toward SR 56, SR 61: Petersburg, Jasper
1893 ft · 38 sec
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22
Turn right
1.4 mi · 3 min
-
23
Turn left onto East Main Street
2704 ft · 1 min · East Main Street
-
24
Turn right onto West Pike Avenue
6.6 mi · 12 min · West Pike Avenue
-
25
Continue straight
3 mi · 5 min
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26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Portage and Union.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Casimir Pulaski Memorial Highway
Merge slight left onto Casimir Pulaski Memorial Highway
130 mi · 02h 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.
Mostly Sunny leaving Portage and Mostly Sunny near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portage to Union?
The road trip is about 287.8 miles (463.1 km) and usually takes 05h 29m 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?
Zionsville is a useful midpoint, sitting about 143.9 miles from Portage and 143.8 miles from Union.
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 72.4 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 6:02 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.28 one way or $76.55 round trip. Estimated CO2 is about 90.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Portage and Union, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Portage and Mostly Sunny near Union.
Stop Ideas Near Zionsville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Avon Town Hall Park
Carmel City Hall
Carmel Gazebo
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Zionsville.
Indianapolis Union Station
Crawfordsville
Crawfordsville (Bus), Indiana
Lafayette station
Flight Path Map
This map shows the direct air route between Portage and Union. Straight-line distance: 215.35 mi (346.58 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 Union
City in Indiana, United States of America
| Population | 2,160 |
| Coordinates | 38.4653300, -87.4347400 |
| Altitude | 143 |
| Country | United States |
End: Union (-87.43474, 38.46533)
Estimated Travel Time
Distance: 463 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 35m |
| 40 mph (64.37 km/h) | 07h 11m |
| 50 mph (80.47 km/h) | 05h 45m |
| 60 mph (96.56 km/h) | 04h 47m |
| 70 mph (112.65 km/h) | 04h 06m |
| 80 mph (129 km/h) | 03h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $38.28 | $76.55 |
| Mid-grade | $4.25 | $43.17 | $86.34 |
| Premium | $4.65 | $47.24 | $94.48 |
| Diesel | $5.30 | $53.84 | $107.67 |
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.