How far is Louisville, KY from Union, KY?
The driving distance from Louisville, KY to Union, KY is about 85.3 miles (137.2 km), with a travel time of about 01h 40m by car.
- The straight-line flight distance is about 75.4 miles (121.3 km).
- For a round trip, plan for roughly 03h 21m 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 40m.
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 Henry County, Kentucky, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Rain Showers
Driving Route Map
The map below follows the saved road route between Louisville and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Louisville and Union.
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1
Start on West Jefferson Street
1611 ft · 1 min · West Jefferson Street
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2
Turn right onto Roy Wilkins Avenue
535 ft · 11 sec · Roy Wilkins Avenue
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3
Take the ramp straight toward I 64 West, I 64 East: New Albany, Saint Louis, Lexington
139 m · 11 sec
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4
Keep slight right to continue on I 64 East: Lexington
1063 ft · 26 sec
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5
Merge slight right
1.5 mi · 2 min
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6
Take the exit slight right toward I 71 North: Cincinnati
1035 ft · 16 sec
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7
Continue straight
72.2 mi · 1 hr 20 min
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8
Take the exit slight right toward KY 14: Verona
1880 ft · 52 sec
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9
Turn left onto Verona-Mudlick Road
2.3 mi · 4 min · Verona-Mudlick Road
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10
At the end of the road, turn right
7.5 mi · 11 min
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11
Turn left onto Old Union Road
1906 ft · 52 sec · Old Union Road
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12
Enter the roundabout and take exit 2 toward Old Union Road
31 m · 2 sec · Old Union Road
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13
Exit the roundabout onto Old Union Road
113 m · 13 sec · Old Union Road
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14
Turn right onto Union School Road
45 m · 6 sec · Union School Road
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15
Arrive at your destination
0 m · 1 sec · Union School Road
Car Route Details
A richer read on the saved driving route between Louisville 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 71 North
Continue straight
72.2 mi · 01h 20m
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.
Showers And Thunderstorms leaving Louisville and Rain Showers near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Louisville to Union?
The road trip is about 85.3 miles (137.2 km) and usually takes 01h 40m 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?
Campbellsburg is a useful midpoint, sitting about 42.6 miles from Louisville and 42.7 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 75.4 miles (121.3 km), while the road route adds roughly 9.9 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 3:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.35 one way or $22.70 round trip. Estimated CO2 is about 26.7 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Louisville and Rain Showers near Union.
Stop Ideas Near Campbellsburg
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 Campbellsburg.
Louisville, Kentucky
Cincinnati Museum Center at Union Terminal
Cincinnati, OH
Flight Path Map
This map shows the direct air route between Louisville and Union. Straight-line distance: 75.35 mi (121.27 km).
#1 Louisville
The nineteenth most populous city in the United States and the center of the Louisville metropolitan area.
| Population | 760,026 |
| Coordinates | 38.2542400, -85.7594100 |
| Altitude | 142 |
| Country | United States |
#2 Union
Township in Boone County, Iowa
| Population | 6,116 |
| Coordinates | 38.9459000, -84.6805000 |
| Altitude | 255 |
| Country | United States |
End: Union (-84.6805, 38.9459)
Estimated Travel Time
Distance: 137 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 50m |
| 40 mph (64.37 km/h) | 02h 07m |
| 50 mph (80.47 km/h) | 01h 42m |
| 60 mph (96.56 km/h) | 01h 25m |
| 70 mph (112.65 km/h) | 01h 13m |
| 80 mph (129 km/h) | 01h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.35 | $22.70 |
| Mid-grade | $4.25 | $12.80 | $25.60 |
| Premium | $4.65 | $14.01 | $28.02 |
| Diesel | $5.30 | $15.97 | $31.93 |
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 Kentucky · May 06, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.