How far is Terre Haute, IN from Union, IN?
The driving distance from Terre Haute, IN to Union, IN is about 84 miles (135.2 km), with a travel time of about 01h 55m by car.
- The straight-line flight distance is about 69.2 miles (111.4 km).
- For a round trip, plan for roughly 03h 50m 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 55m.
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.
Human settlement in Knox 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 Terre Haute and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Terre Haute and Union.
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1
Start on North 3rd Street
90 m · 16 sec · North 3rd Street
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2
Turn left onto Cherry Street
777 ft · 19 sec · Cherry Street
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3
Turn left onto 1st Street
1.3 mi · 2 min · 1st Street
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4
Turn left onto Hulman Street
954 ft · 27 sec · Hulman Street
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5
Turn right onto South 3rd Street
54.5 mi · 1 hr 10 min · South 3rd Street
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6
Take the exit slight right
1162 ft · 28 sec
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7
Merge slight left
1.5 km · 1 min
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8
Keep slight right
15.7 mi · 18 min
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9
Turn left
1.3 mi · 2 min
-
10
Turn right onto South Street
1192 ft · 24 sec · South Street
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11
Continue on South Mill Street
881 ft · 20 sec · South Mill Street
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12
Turn right onto West 2nd Street
143 m · 15 sec · West 2nd Street
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13
Turn left onto North Main Street
135 m · 11 sec · North Main Street
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14
Turn right onto East 1st Street
1670 ft · 33 sec · East 1st Street
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15
Continue on East 2nd Street
1901 ft · 38 sec · East 2nd Street
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16
Turn right onto Trippet Road
2880 ft · 1 min · Trippet Road
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17
Turn left
1619 ft · 34 sec
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18
Continue straight
2.6 mi · 5 min
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19
Turn right
3.6 mi · 6 min
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20
Turn right onto North County Road 850 West
1.3 mi · 5 min · North County Road 850 West
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21
Turn right
23 m · 1 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Terre Haute and Union.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
South 3rd Street
Turn right onto South 3rd Street
54.5 mi · 01h 10m
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.
Sunny leaving Terre Haute 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 Terre Haute to Union?
The road trip is about 84 miles (135.2 km) and usually takes 01h 55m 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?
Oaktown is a useful midpoint, sitting about 42 miles from Terre Haute and 41.9 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 69.2 miles (111.4 km), while the road route adds roughly 14.8 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 2:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.16 one way or $22.32 round trip. Estimated CO2 is about 26.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Terre Haute and Mostly Sunny near Union.
Stop Ideas Near Oaktown
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 Oaktown.
Effingham
Evansville, IN
Mattoon station
Flight Path Map
This map shows the direct air route between Terre Haute and Union. Straight-line distance: 69.2 mi (111.36 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 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: 135 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 47m |
| 40 mph (64.37 km/h) | 02h 05m |
| 50 mph (80.47 km/h) | 01h 40m |
| 60 mph (96.56 km/h) | 01h 23m |
| 70 mph (112.65 km/h) | 01h 11m |
| 80 mph (129 km/h) | 01h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.16 | $22.32 |
| Mid-grade | $4.25 | $12.59 | $25.18 |
| Premium | $4.65 | $13.78 | $27.55 |
| Diesel | $5.30 | $15.70 | $31.40 |
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.