How far is Dayton, OH from Monroe, OH?
The driving distance from Dayton, OH to Monroe, OH is about 26.7 miles (42.9 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 23.8 miles (38.3 km).
- For a round trip, plan for roughly 01h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 34m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
City in the state of Ohio, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Dayton and Monroe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Monroe.
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1
Start on South Main Street
92 m · 12 sec · South Main Street
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2
Turn right onto West 4th Street
156 m · 18 sec · West 4th Street
-
3
Turn left onto South Ludlow Street
2095 ft · 41 sec · South Ludlow Street
-
4
Take the ramp slight right toward US 35 West: Eaton
1509 ft · 37 sec
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5
Merge slight left
1326 ft · 16 sec
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6
Take the exit slight right toward I 75 South, I 75 North, SR 4 North: Cincinnati, Toledo
628 ft · 15 sec
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7
Keep slight left to continue on I 75 South: Cincinnati
2228 ft · 50 sec
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8
Keep slight left to continue on I 75 South: Cincinnati
1244 ft · 30 sec
-
9
Merge slight left
22.8 mi · 26 min
-
10
Take the exit slight right toward SR 63: Monroe, Lebanon
1403 ft · 34 sec
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11
Keep slight right to continue on SR 63 West: Monroe
700 ft · 17 sec
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12
Turn straight onto Hamilton Lebanon Road East
1.1 mi · 2 min · Hamilton Lebanon Road East
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13
Take the ramp slight left toward East Avenue
144 m · 18 sec
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14
Turn left onto East Avenue
1640 ft · 58 sec · East Avenue
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15
At the end of the road, turn right onto Lebanon Street
562 ft · 14 sec · Lebanon Street
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16
Arrive at your destination
0 m · 1 sec · Lebanon Street
Car Route Details
A richer read on the saved driving route between Dayton and Monroe.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 75 South
Merge slight left
22.8 mi · 00h 26m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Dayton and Sunny near Monroe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Monroe?
The road trip is about 26.7 miles (42.9 km) and usually takes 00h 34m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Springboro is a useful midpoint, sitting about 13.4 miles from Dayton and 13.3 miles from Monroe.
How much longer is the road route than the straight-line distance?
The direct path is about 23.8 miles (38.3 km), while the road route adds roughly 2.9 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:22 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.48 one way or $6.97 round trip. Estimated CO2 is about 8.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dayton and Sunny near Monroe.
Stop Ideas Near Springboro
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 Springboro.
Cincinnati, OH
Cincinnati Museum Center at Union Terminal
Connersville station
Maysville
Flight Path Map
This map shows the direct air route between Dayton and Monroe. Straight-line distance: 23.81 mi (38.32 km).
#1 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
#2 Monroe
City in Ohio, United States
| Population | 14,183 |
| Coordinates | 39.4403400, -84.3621600 |
| Altitude | 254 |
| Country | United States |
End: Monroe (-84.36216, 39.44034)
Estimated Travel Time
Distance: 43 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 53m |
| 40 mph (64.37 km/h) | 00h 39m |
| 50 mph (80.47 km/h) | 00h 31m |
| 60 mph (96.56 km/h) | 00h 26m |
| 70 mph (112.65 km/h) | 00h 22m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $3.48 | $6.97 |
| Mid-grade | $4.24 | $3.99 | $7.97 |
| Premium | $4.79 | $4.50 | $9.01 |
| Diesel | $4.30 | $4.05 | $8.09 |
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 Ohio · 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.