How far is Dayton, OH from Washington Court House, OH?
The driving distance from Dayton, OH to Washington Court House, OH is about 48.7 miles (78.4 km), with a travel time of about 01h 00m by car.
- The straight-line flight distance is about 42.9 miles (69 km).
- For a round trip, plan for roughly 02h 01m 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 00m.
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.
Township in Greene County, Ohio
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 Washington Court House.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Washington Court House.
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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
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3
Turn left onto South Ludlow Street
2095 ft · 41 sec · South Ludlow Street
-
4
Take the ramp straight toward US 35 East: Xenia
2382 ft · 58 sec
-
5
Merge slight left
33.9 mi · 42 min
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6
Keep slight left to continue on US 35 East: Washington Court House
11.8 mi · 13 min
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7
Take the exit slight right toward US 22, US 62, SR 3: Washinton CH, Hillsboro
1156 ft · 34 sec
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8
Turn left
1137 ft · 49 sec
-
9
Turn left onto Leesburg Avenue
1.2 mi · 2 min · Leesburg Avenue
-
10
Continue on West Court Street
2035 ft · 37 sec · West Court Street
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11
Arrive at your destination
0 m · 1 sec · East Court Street
Car Route Details
A richer read on the saved driving route between Dayton and Washington Court House.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 35 East
Merge slight left
33.9 mi · 00h 42m
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.
Sunny leaving Dayton and Sunny near Washington Court House.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Washington Court House?
The road trip is about 48.7 miles (78.4 km) and usually takes 01h 00m 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?
New Jasper is a useful midpoint, sitting about 24.3 miles from Dayton and 24.4 miles from Washington Court House.
How much longer is the road route than the straight-line distance?
The direct path is about 42.9 miles (69 km), while the road route adds roughly 5.8 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 4:28 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.37 one way or $12.75 round trip. Estimated CO2 is about 15.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dayton and Sunny near Washington Court House.
Stop Ideas Near New Jasper
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 New Jasper.
Columbus, OH
Cincinnati, OH
Cincinnati Museum Center at Union Terminal
Maysville
Flight Path Map
This map shows the direct air route between Dayton and Washington Court House. Straight-line distance: 42.89 mi (69.02 km).
#1 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
#2 Washington Court House
City in and county seat of Fayette County, Ohio, United States
| Population | 14,193 |
| Coordinates | 39.5364500, -83.4390800 |
| Altitude | 297 |
| Country | United States |
End: Washington Court House (-83.43908, 39.53645)
Estimated Travel Time
Distance: 78 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 37m |
| 40 mph (64.37 km/h) | 01h 13m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 48m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $6.37 | $12.75 |
| Mid-grade | $4.24 | $7.30 | $14.59 |
| Premium | $4.79 | $8.24 | $16.48 |
| Diesel | $4.30 | $7.40 | $14.81 |
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.