How far is Union, IN from Carmel, IN?
The driving distance from Union, IN to Carmel, IN is about 157.1 miles (252.8 km), with a travel time of about 02h 42m by car.
- The straight-line flight distance is about 126.1 miles (202.9 km).
- For a round trip, plan for roughly 05h 25m 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 02h 42m.
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.
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 Union and Carmel.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Carmel.
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1
Start on the route
3 mi · 5 min
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2
Continue on West Pike Avenue
6.6 mi · 12 min · West Pike Avenue
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3
Turn left onto East Main Street
2704 ft · 1 min · East Main Street
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4
Turn right
1.6 mi · 3 min
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5
Take the ramp left
2543 ft · 1 min
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6
Merge slight left
125.1 mi · 2 hr 17 min
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7
Continue straight
11.8 mi · 14 min
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8
Keep slight left
1477 ft · 20 sec
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9
Continue on I-465 WB
1.3 km · 57 sec · I-465 WB
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10
Continue straight
2.6 mi · 3 min
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11
Take the exit slight right toward Keystone Avenue
2147 ft · 52 sec
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12
Turn right onto North Keystone Parkway, West 96th Street, West 98th Street, East 96th Street
52 m · 6 sec
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13
Merge slight left onto North Keystone Avenue
1412 ft · 44 sec · North Keystone Avenue
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14
Enter the roundabout and take exit 2 toward North Keystone Parkway, East 98th Street
34 m · 6 sec
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15
Exit the roundabout onto North Keystone Parkway, East 98th Street
1186 ft · 31 sec
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16
Keep slight left to continue on Keystone Parkway
133 m · 12 sec
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17
Merge slight left onto Keystone Parkway
3 mi · 5 min · Keystone Parkway
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18
Take the exit slight right toward Main Street
1105 ft · 39 sec
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19
Enter the roundabout and take exit 3 toward East Main Street
135 m · 25 sec · East Main Street
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20
Exit the roundabout onto East Main Street
1337 ft · 38 sec · East Main Street
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21
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Union and Carmel.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
East Main Street
Merge slight left
125 mi · 02h 17m
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 Union and Mostly Sunny near Carmel.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Carmel?
The road trip is about 157.1 miles (252.8 km) and usually takes 02h 42m 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?
Clear Creek is a useful midpoint, sitting about 78.7 miles from Union and 78.4 miles from Carmel.
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 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 1:04 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.89 one way or $41.78 round trip. Estimated CO2 is about 49.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Union and Mostly Sunny near Carmel.
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 Union and Carmel. Straight-line distance: 126.08 mi (202.9 km).
#1 Union
City in Indiana, United States of America
| Population | 2,160 |
| Coordinates | 38.4653300, -87.4347400 |
| Altitude | 143 |
| Country | United States |
#2 Carmel
The most populous city in Hamilton County, Indiana.
| Population | 101,643 |
| Coordinates | 39.9783700, -86.1180400 |
| Altitude | 260 |
| Country | United States |
End: East Main Street (-86.118039, 39.978466)
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 55m |
| 50 mph (80.47 km/h) | 03h 08m |
| 60 mph (96.56 km/h) | 02h 37m |
| 70 mph (112.65 km/h) | 02h 14m |
| 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 | $20.89 | $41.78 |
| Mid-grade | $4.25 | $23.56 | $47.12 |
| Premium | $4.65 | $25.78 | $51.57 |
| Diesel | $5.30 | $29.38 | $58.77 |
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.