How far is Thorntown, IN from Gary, IN?
The driving distance from Thorntown, IN to Gary, IN is about 118.4 miles (190.6 km), with a travel time of about 01h 58m by car.
- The straight-line flight distance is about 108.3 miles (174.3 km).
- For a round trip, plan for roughly 03h 56m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 01h 58m.
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.
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Thorntown and Gary.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thorntown and Gary.
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1
Start on West Main Street
1891 ft · 38 sec · West Main Street
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2
Continue on IN-47
4.4 mi · 8 min · IN-47
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3
Take the ramp left toward Chicago
714 ft · 17 sec
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4
Continue on Chicago
1047 ft · 26 sec
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5
Merge slight left
112.5 mi · 2 hr 3 min
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6
Take the exit slight right toward I 80 West, I 94 West, US 6 West: Chicago
1.4 mi · 3 min
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7
Merge slight left onto Borman Expressway
1.4 mi · 2 min · Borman Expressway
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8
Take the exit slight right toward Grant Street
1831 ft · 45 sec
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9
Keep slight right
103 m · 9 sec
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10
Turn straight onto Richard G. Hatcher Boulevard
1.2 mi · 2 min · Richard G. Hatcher Boulevard
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11
Turn right onto West 15th Avenue
2432 ft · 56 sec · West 15th Avenue
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12
Turn left onto Harrison Boulevard
2011 ft · 1 min · Harrison Boulevard
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13
Turn right onto 10th Place
77 m · 11 sec · 10th Place
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14
Arrive at your destination
0 m · 1 sec · 10th Place
Car Route Details
A richer read on the saved driving route between Thorntown and Gary.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Chicago
Merge slight left
113 mi · 02h 03m
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.
Chance Showers And Thunderstorms leaving Thorntown and Sunny near Gary.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thorntown to Gary?
The road trip is about 118.4 miles (190.6 km) and usually takes 01h 58m 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?
Remington is a useful midpoint, sitting about 61.5 miles from Thorntown and 56.9 miles from Gary.
How much longer is the road route than the straight-line distance?
The direct path is about 108.3 miles (174.3 km), while the road route adds roughly 10.1 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 EDT. If you want a more comfortable same-day return, try to leave by 2:34 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.76 one way or $31.53 round trip. Estimated CO2 is about 37.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Thorntown and Gary, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Thorntown and Sunny near Gary.
Stop Ideas Near Remington
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 Remington.
Rensselaer
Lafayette station
Gilman
Kankakee
Flight Path Map
This map shows the direct air route between Thorntown and Gary. Straight-line distance: 108.28 mi (174.26 km).
#1 Thorntown
City in Boone County, Indiana, United States of America
| Population | 1,563 |
| Coordinates | 40.1294800, -86.6066700 |
| Altitude | 260 |
| Country | United States |
#2 Gary
The most populous city in Lake County, Indiana.
| Population | 74,693 |
| Coordinates | 41.5933700, -87.3464300 |
| Altitude | 183 |
| Country | United States |
End: (-87.346439, 41.59327)
Estimated Travel Time
Distance: 191 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 56m |
| 40 mph (64.37 km/h) | 02h 57m |
| 50 mph (80.47 km/h) | 02h 22m |
| 60 mph (96.56 km/h) | 01h 58m |
| 70 mph (112.65 km/h) | 01h 41m |
| 80 mph (129 km/h) | 01h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.76 | $31.53 |
| Mid-grade | $4.25 | $17.78 | $35.56 |
| Premium | $4.65 | $19.45 | $38.91 |
| Diesel | $5.30 | $22.17 | $44.34 |
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.