How far is Terre Haute, IN from Merrillville, IN?
The driving distance from Terre Haute, IN to Merrillville, IN is about 156 miles (251.1 km), with a travel time of about 03h 17m by car.
- The straight-line flight distance is about 139.4 miles (224.3 km).
- For a round trip, plan for roughly 06h 35m 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 03h 17m.
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 in Grant Township, Benton County, Indiana, United State
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Terre Haute and Merrillville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Terre Haute and Merrillville.
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1
Start on North 3rd Street
1.8 mi · 4 min · North 3rd Street
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2
Turn straight onto Chicago
63.3 mi · 1 hr 21 min
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3
Continue straight
47.3 mi · 1 hr
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4
Turn right onto State Road 14
9.5 mi · 13 min · State Road 14
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5
Take the ramp left
2584 ft · 1 min
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6
Merge slight left
31.4 mi · 34 min
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7
Take the exit slight right toward US 30: Merrillville, Hobart, Valparaiso
1618 ft · 40 sec
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8
Keep slight left to continue on US 30: Merrillville, Hobart, Valparaiso, VA Clinic
138 m · 15 sec
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9
Turn left onto US 30: Merrillville, Hobart, Valparaiso
33 m · 4 sec
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10
Turn left onto East 81st Avenue
1.1 km · 1 min · East 81st Avenue
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11
Turn right onto Broadway
1.4 km · 2 min · Broadway
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12
Turn right onto Indian Trail
1156 ft · 51 sec · Indian Trail
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13
Arrive at your destination
0 m · 1 sec · Indian Trail
Car Route Details
A richer read on the saved driving route between Terre Haute and Merrillville.
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.
Partly Sunny leaving Terre Haute and Sunny near Merrillville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Terre Haute to Merrillville?
The road trip is about 156 miles (251.1 km) and usually takes 03h 17m 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?
Boswell is a useful midpoint, sitting about 78.1 miles from Terre Haute and 78 miles from Merrillville.
How much longer is the road route than the straight-line distance?
The direct path is about 139.4 miles (224.3 km), while the road route adds roughly 16.6 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 10:24 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.78 one way or $41.56 round trip. Estimated CO2 is about 49 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Terre Haute and Merrillville, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny around Terre Haute and Sunny near Merrillville.
Stop Ideas Near Boswell
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 Boswell.
Lafayette station
Danville, Illinois
Rensselaer
Gilman
Flight Path Map
This map shows the direct air route between Terre Haute and Merrillville. Straight-line distance: 139.37 mi (224.29 km).
#1 Terre Haute
The most populous city in Vigo County, Indiana.
| Population | 60,410 |
| Coordinates | 39.4667000, -87.4139100 |
| Altitude | 152 |
| Country | United States |
#2 Merrillville
Town in Ross Township, Lake County, Indiana
| Population | 34,916 |
| Coordinates | 41.4828100, -87.3328100 |
| Altitude | 200 |
| Country | United States |
End: Merrillville (-87.33281, 41.48281)
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 54m |
| 50 mph (80.47 km/h) | 03h 07m |
| 60 mph (96.56 km/h) | 02h 36m |
| 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 | $20.78 | $41.56 |
| Mid-grade | $4.25 | $23.43 | $46.87 |
| Premium | $4.65 | $25.64 | $51.29 |
| Diesel | $5.30 | $29.23 | $58.45 |
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 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.