How far is Gary, IN from Plainfield, IN?
The driving distance from Gary, IN to Plainfield, IN is about 155.7 miles (250.6 km), with a travel time of about 03h 00m by car.
- The straight-line flight distance is about 139.6 miles (224.7 km).
- For a round trip, plan for roughly 06h 00m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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 03h 00m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
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.
Mostly Sunny
Areas Of Frost then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Gary and Plainfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gary and Plainfield.
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1
Start on 10th Place
17 m · 4 sec · 10th Place
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2
Turn right onto Harrison Street
146 m · 28 sec · Harrison Street
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3
Turn left onto West 11th Avenue
1250 ft · 39 sec · West 11th Avenue
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4
Turn right onto Madison Street
1406 ft · 48 sec · Madison Street
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5
Turn left onto West 15th Avenue
1 mi · 2 min · West 15th Avenue
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6
Continue on Central Avenue
854 ft · 22 sec · Central Avenue
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7
Turn right onto Martin Luther King Drive
2.5 mi · 5 min · Martin Luther King Drive
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8
Turn left onto East Ridge Road
1276 ft · 35 sec · East Ridge Road
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9
Take the ramp slight right
1469 ft · 36 sec
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10
Merge slight left onto Casimir Pulaski Memorial Highway
128.7 mi · 2 hr 20 min · Casimir Pulaski Memorial Highway
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11
Keep slight left
5.9 mi · 7 min
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12
Take the exit slight right toward I 465 South
1210 ft · 30 sec
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13
Continue on I 465 South
1 km · 1 min
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14
Merge slight left
7.4 mi · 9 min
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15
Take the exit slight right toward US 40 West: Washington Street, Plainfield
1450 ft · 35 sec
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16
Keep slight right to continue on US 40 West: Plainfield
95 m · 10 sec
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17
Turn straight onto West Washington Street
4.7 mi · 7 min · West Washington Street
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18
Continue on East Main Street
3.1 mi · 5 min · East Main Street
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19
Turn right onto Avon Avenue
37 m · 2 sec · Avon Avenue
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20
Arrive at your destination
0 m · 1 sec · Avon Avenue
Car Route Details
A richer read on the saved driving route between Gary and Plainfield.
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
129 mi · 02h 20m
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.
Mostly Sunny leaving Gary and Areas Of Frost then Mostly Sunny near Plainfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gary to Plainfield?
The road trip is about 155.7 miles (250.6 km) and usually takes 03h 00m 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?
Brookston is a useful midpoint, sitting about 77.9 miles from Gary and 77.9 miles from Plainfield.
How much longer is the road route than the straight-line distance?
The direct path is about 139.6 miles (224.7 km), while the road route adds roughly 16.1 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 12:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.70 one way or $41.41 round trip. Estimated CO2 is about 48.8 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Gary and Plainfield, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Gary and Areas Of Frost then Mostly Sunny near Plainfield.
Stop Ideas Near Brookston
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 Brookston.
Lafayette station
Rensselaer
Crawfordsville (Bus), Indiana
Crawfordsville
Flight Path Map
This map shows the direct air route between Gary and Plainfield. Straight-line distance: 139.65 mi (224.74 km).
#1 Gary
The most populous city in Lake County, Indiana.
| Population | 74,693 |
| Coordinates | 41.5933700, -87.3464300 |
| Altitude | 183 |
| Country | United States |
#2 Plainfield
Town in Indiana, United States
| Population | 36,275 |
| Coordinates | 39.7042100, -86.3994400 |
| Altitude | 223 |
| Country | United States |
End: Plainfield (-86.39944, 39.70421)
Estimated Travel Time
Distance: 251 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 11m |
| 40 mph (64.37 km/h) | 03h 53m |
| 50 mph (80.47 km/h) | 03h 06m |
| 60 mph (96.56 km/h) | 02h 35m |
| 70 mph (112.65 km/h) | 02h 13m |
| 80 mph (129 km/h) | 01h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $20.70 | $41.41 |
| Mid-grade | $4.25 | $23.35 | $46.70 |
| Premium | $4.65 | $25.55 | $51.10 |
| Diesel | $5.30 | $29.12 | $58.24 |
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 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.