How far is Dayton, KY from Louisville, KY?
The driving distance from Dayton, KY to Louisville, KY is about 102 miles (164.2 km), with a travel time of about 01h 39m by car.
- The straight-line flight distance is about 91.3 miles (146.9 km).
- For a round trip, plan for roughly 03h 18m 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 39m.
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 Carroll County, Kentucky, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely then Slight Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Dayton and Louisville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Louisville.
-
1
Start on Dayton Avenue
14 m · 8 sec · Dayton Avenue
-
2
Turn left onto 6th Avenue
2488 ft · 2 min · 6th Avenue
-
3
Continue on Fairfield Avenue
1.3 km · 3 min · Fairfield Avenue
-
4
Take the ramp left toward I 471 North
1940 ft · 47 sec
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5
Merge slight left
1808 ft · 24 sec
-
6
Take the exit slight right toward US 50, I 71 South: Third Street, Columbia Parkway
582 ft · 14 sec
-
7
Keep slight left to continue on US 50 West, I 71 South: Third Street
1561 ft · 38 sec
-
8
Merge slight left
937 ft · 11 sec
-
9
Keep slight left to continue on US 50 West, I 71 South, I 75 South
20.4 mi · 25 min
-
10
Take the exit slight right toward I 71 South: Louisville
76.8 mi · 1 hr 25 min
-
11
Take the exit slight right toward I 64 West: Saint Louis
2994 ft · 1 min
-
12
Merge slight left
1.4 km · 1 min
-
13
Take the exit slight right toward 3rd Street, River Road, Downtown
1223 ft · 30 sec
-
14
Continue on North 3rd Street
1839 ft · 40 sec · North 3rd Street
-
15
Turn right onto West Jefferson Street
1181 ft · 44 sec · West Jefferson Street
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16
Arrive at your destination
0 m · 1 sec · West Jefferson Street
Car Route Details
A richer read on the saved driving route between Dayton and Louisville.
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 South
Take the exit slight right toward I 71 South: Louisville
76.8 mi · 01h 25m
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.
Rain Showers Likely then Slight Chance Showers And Thunderstorms leaving Dayton and Showers And Thunderstorms Likely near Louisville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Louisville?
The road trip is about 102 miles (164.2 km) and usually takes 01h 39m 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?
Worthville is a useful midpoint, sitting about 51 miles from Dayton and 51.1 miles from Louisville.
How much longer is the road route than the straight-line distance?
The direct path is about 91.3 miles (146.9 km), while the road route adds roughly 10.7 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 3:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.58 one way or $27.15 round trip. Estimated CO2 is about 32 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely then Slight Chance Showers And Thunderstorms around Dayton and Showers And Thunderstorms Likely near Louisville.
Stop Ideas Near Worthville
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 Worthville.
Cincinnati Museum Center at Union Terminal
Louisville, Kentucky
Cincinnati, OH
Maysville
Flight Path Map
This map shows the direct air route between Dayton and Louisville. Straight-line distance: 91.3 mi (146.93 km).
#1 Dayton
City in Campbell County, Kentucky, United States
| Population | 5,647 |
| Coordinates | 39.1128400, -84.4727200 |
| Altitude | 157 |
| Country | United States |
#2 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 |
End: West Jefferson Street (-85.759435, 38.254101)
Estimated Travel Time
Distance: 164 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 24m |
| 40 mph (64.37 km/h) | 02h 33m |
| 50 mph (80.47 km/h) | 02h 02m |
| 60 mph (96.56 km/h) | 01h 42m |
| 70 mph (112.65 km/h) | 01h 27m |
| 80 mph (129 km/h) | 01h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.58 | $27.15 |
| Mid-grade | $4.25 | $15.31 | $30.62 |
| Premium | $4.65 | $16.75 | $33.51 |
| Diesel | $5.30 | $19.09 | $38.19 |
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 · Apr 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.