How far is Carmel, IN from Union, IN?
The driving distance from Carmel, IN to Union, IN is about 157.5 miles (253.5 km), with a travel time of about 03h 05m by car.
- The straight-line flight distance is about 126.1 miles (202.9 km).
- For a round trip, plan for roughly 06h 11m 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 05m.
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.
Unincorporated community in Monroe County, 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 Carmel and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Carmel and Union.
-
1
Start on East Main Street
1338 ft · 39 sec · East Main Street
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2
Enter the roundabout and take exit 1 toward the route
11 m · 2 sec
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3
Exit the roundabout
1097 ft · 19 sec
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4
Merge slight left onto Keystone Parkway
3.3 mi · 5 min · Keystone Parkway
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5
Enter the roundabout and take exit 2 toward I 465: South Keystone Avenue
42 m · 8 sec
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6
Exit the roundabout onto I 465: South Keystone Avenue
1346 ft · 33 sec
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7
Keep slight left to continue on I 465 East: Keystone Avenue South
131 m · 11 sec
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8
Keep slight right to continue on I 465 East
1.2 km · 2 min
-
9
Merge slight left
4 mi · 5 min
-
10
Merge slight right
11.3 mi · 13 min
-
11
Continue straight
8.7 mi · 10 min
-
12
Keep slight right to continue on I 69 South: Evansville
48.5 mi · 55 min
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13
Keep slight left to continue on I 69 South: Evansville
68.2 mi · 1 hr 13 min
-
14
Take the exit slight right toward SR 56, SR 61: Petersburg, Jasper
1893 ft · 38 sec
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15
Turn right
1.4 mi · 3 min
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16
Turn left onto East Main Street
2704 ft · 1 min · East Main Street
-
17
Turn right onto West Pike Avenue
6.6 mi · 12 min · West Pike Avenue
-
18
Continue straight
3 mi · 5 min
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Carmel 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.
I 69 South
Keep slight left to continue on I 69 South: Evansville
68.2 mi · 01h 13m
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 Carmel 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 Carmel to Union?
The road trip is about 157.5 miles (253.5 km) and usually takes 03h 05m 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?
Clear Creek is a useful midpoint, sitting about 78.7 miles from Carmel and 78.8 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 126.1 miles (202.9 km), while the road route adds roughly 31.4 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 EDT. If you want a more comfortable same-day return, try to leave by 10:48 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.97 one way or $41.93 round trip. Estimated CO2 is about 49.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Carmel and Mostly Sunny near Union.
Stop Ideas Near Clear Creek
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 Clear Creek.
Indianapolis Union Station
Crawfordsville
Crawfordsville (Bus), Indiana
Louisville, Kentucky
Flight Path Map
This map shows the direct air route between Carmel and Union. Straight-line distance: 126.08 mi (202.9 km).
#1 Carmel
The most populous city in Hamilton County, Indiana.
| Population | 101,643 |
| Coordinates | 39.9783700, -86.1180400 |
| Altitude | 260 |
| 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: 253 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 14m |
| 40 mph (64.37 km/h) | 03h 56m |
| 50 mph (80.47 km/h) | 03h 09m |
| 60 mph (96.56 km/h) | 02h 37m |
| 70 mph (112.65 km/h) | 02h 15m |
| 80 mph (129 km/h) | 01h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $20.97 | $41.93 |
| Mid-grade | $4.25 | $23.65 | $47.29 |
| Premium | $4.65 | $25.88 | $51.75 |
| Diesel | $5.30 | $29.49 | $58.98 |
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.